bernard lewis said something very close to that once, in the destruction of the cold war was a deterrentw for some of these groups, it's an inducement. and the shia groups that are radical and work under essentially for iran, some are like that. and that is really a terrible situation when you're trying to figure out how to deter something. it's awful. >> i have a theory that people become distdainful of the procedures or practices that end up being successful, they tend to fade into the background, whether it's the use of spies or the military, or even our oceans, which protect us from so much. that we've gotten so used to it, that we tend to dislike these things. >> exactly. >> explain. >> well, churchill said of the americans always do the right thing, but unfortunately only after they've exhausted all other possibilities. we were three years late to world war i, and three and a half years late to world war ii. and it's -- we tend to, after something has gone well, after we've won a war, or after we figure out who did 9/11 and we got on top of it and so forth, we tend to relax. and we

bernard lewis wrote a great book where he talked about the need .or islam to reclaim itself out with a, you came passionate and detailed recent to put boots on the ground in syria. kasich: and amr. iraq. >> what would happen when you came up against russian troops ?n the ground mr. kasich: there can be times when we work together for a common purpose. but we can't let other people -- inbreedinginbreedin our friends in eastern europe -- our friends in eastern europe. if you look at the number of isis-inspired attacks throughout europe, we hear about some of them. there are so many we don't really see because some are larger than others. this is an attack on all of us. these are not going to go away. whether it is -- who would have dreamt we would see what we are seeing in brussels? it's everywhere. there are two ways to deal with it. you have to do go to where the problem -- you have to go to where the problem is. you don't have to lecture, but you have to talk to prime minister's and leaders of countries -- to prime ministers and leaders of countries. .merica needs to lead when we ar

and bernard lewis wrote a book called what went wrong when he talked of the need for islam to reclaim itself and i see signs of people wanting to fight for what their religion is all about. >> you came up with a passionate and a detailed reason but i want you to explain to me how you would persuade. what happened when you came up against the boots on the ground area? >> if they wanted to help us fight i would welcome that it doesn't change my view on ukraine or eastern europe. there can be times in which we can work together for a common purpose but it doesn't let somebody off the hook when they invade another country or are innovating in eastern europe. we spent a little bit of time before we came out here talking about this. if you take a look at the number of attacks throughout europe and the year about some of them that have happened that we don't really see because some are larger than others, but this is an attack on all of them. these are not going to go away. whether it is in all of the countries who would have dreamt that we are seeing what we were seeing in brussels? its eve

and, you know, bernard lewis wrote a great book i think called "what went wrong" where we talked about the need for islam to reclaim itself. and i see signs of people wanting to fight for what their religion is really all about. >> can i push you a bit on syria? you came out with a very passionate and actually very detailed reason to put boots on the ground in syria. but i wonder if you could explain -- >> and iraq. >> -- how you would persuade europeans to back that who have generally been very reluctant and what would happen when you came up against russian boots on the ground in that area? >> well, look, if russia wanted to help us to fight isis, i'd welcome that. but it doesn't change my view on ukraine or eastern europe. i mean, there can be -- there can be times in which we can work together for a common purpose, but it does the let somebody off the hook when they invade another country or thr t threatthrea threaten invading our friends in eastern europe. we actually spent a little time before we came out here talking about this. if you take a look at the number of attacks, isis-

lewis b. and louise hirschfeld cullman.b. bernard and irene schwartz. judy and josh weston.ar the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are yourar retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, hari sreenivasan. >> sreenivasan: again and thanks for joining us. president obama tried to reassure americans that the u.s. government is doing everything it can s asu to protect us from potential terrorist attacks like the one last week in san bernardino, california. the president spoke to the american public from the oval office tonight for only they third time in his presidency. he said there is no evidence that california couple who gunned

lewis b. and louise hirschfeld cullman. bernard and irene schwartz. judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening and thanks for joining us. negotiators from nearly every country in the world unanimously agreed to a landmark agreement today to combat climate change, pledging to reduce their emissions from burning fossil fuels that cause global warming. it's the first-ever climate pact to commit all countries -- industrialized ones like the united states and developing countries like china and india - - to take action. delegates from 196

lewis b. and louise hirschfeld cullman. bernard and irene schwartz. judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. at's why we are your tirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening and thanks for joining us. a key region in afghanistan could be on the verge of falling to the taliban. the deputy governor of helmand province, an area that u.s. troops once fought to secure, says urgent action is needed to prevent its collapse. the official posted an unusual public plea to afghan president ashraf ghani on facebook saying, quote: "helmand is standing on the brink, and there is a serious need for you to come." t

lewis b. and louise hirschfeld cullman. bernard and irene schwartz. judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by conributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, megan thompson. >> thompson: good evening. thanks for joining us. i'm megan thompson, in for hari sreenivasan. officials now say at least 17 people are dead after a string of deadly storms and tornadoes ripped through the south earlier this week. last night, families near birmingham, alabama were left to sort through what was left of their homes after a tornado touched down christmas day. two hundred roads in alabama are still closed and flood warnings are still in effect

lewis b. and louise hirschfeld cullman. bernard and irene schwartz. judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening. thanks for joining us. united nations secretary general ban ki moon says the climate change pact endorsed by close to 200 nations is a turning point" to make human life "sustainable on a healthy planet. world leaders are welcoming the agreement designed to curb planet-polluting carbon gases that have been causing a rise in global temperatures. the paris agreement approved yesterday commits countries to take steps that could

lewis b. and louise hirschfeld cullman. bernard and irene schwartz. judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: the tisch wnet stt lincoln center in new york, this is pbs newshour weekend. >> thompson: good evening. thanks for joining us. i'm megan thompson, in for hari sreenivasan. the iraqi army claimed a major victory today over islamic state militants. the army said it has defeated isis fighters in the city of ramadi, about 80 miles west of baghdad, after a week of heavy fighting. an iraqi military spokesman said the u.s.-trained troops have retaken a complex isis was using as a headquarters and are now focusing on clearing out pockets of resistance. the iraqi government plans to hold a flag raising ceremony over the complex on monday. ramadi was captured

lewis b. and louise hirschfeld cullman.b. bernard and irene schwartz. judy and josh weston.ar the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirent

bernard lewis wrote a book called "what went wrong."see signs of people wanting to fight for what their religion is really all about. >> of course you've been in sor on syria. you came out with a detailed plan why to put boots on the ground. how will you persuade europeans to back that? they have been reluctant. and what happens when you come up against russian boots on the ground? >> look, if russia wanted to help us to fight isis, i would welcome that. it doesn't change the view on ukraine or eastern europe. we spent a little time talking about this before we came out. if you look at the a attacks, isis-inspired attacks throughout europe, we hear about some them. there are so many that we don't really see because some are larger than others. but this is an attack on all of them. these are not going to go away. whether it's in all the countries. who would have ever dreamt we would have seen what we were seeing in brussels. it's everywhere. there are two ways to deal with it. you've got to go to where the problem is. and my view is you

tree limb crashed on top of him last night on lake merritt where jack lewis and his friends gathered for a birthday party. cornell bernard has the details. >> he was a really, a really great guy. >> claire brooke is dealing with the unbelievable loss of her good friend jack lewis. >> it doesn't feel really real. >> reporter: claire says she and ja jack came to celebrate a birthday. >> there were three people sitting on the branch and jack sat up to hang on it and it fell. >> reporter: police say the 16-year-old was crushed by the e enormous weight of the tree limb. flowers and condolence cards left at the site and tree and broken limb removed overnight. >> he was just always so full of life and joy and he never had anything bad to say about anybody. >> reporter: in a statement the mayor said yesterday's tragic accident was a heartbreaking loss for our city. i join with oaklanders across the city in expressing my deepest sympathy. jack lewis was a junior and a guidance counselor said the school staff was notified today and said lewis was thinking about going to college. >> he was a super hand some dude. he was super happy

since tattooing violates jail rules, bernard is confined to a disciplinary cell he now shares with lewisepresent bronze star or a general star to symbolize the military, because i know a lot of the guys that had passed away had gotten bronze stars, medals of valor, quite a few got purple hearts before they even got killed, so i wanted to go along those lines. and i'll probably get a tattoo of a purple heart later on down the road. >> bernard said he chose the star to honor men he served with in the army, who had lost their lives. he also has a new war wound of his own, or in this case, a busted lip. from a fight with another inmate. but he says this time, he stood up for himself. and it even seems to have improved his stutter. >> he tried to manhandle me, grabbed me by my throat. that didn't work. and he punched me. i told him to stop. like, i wasn't crying or anything, i just told him, stop, that's enough. i've been here, what, seven months. enough is enough. >> two months later, william bernard would no longer have to worry about defending himself in jail. his judge found him not guilt

and bernard lewis wrote a book talking about the need for islam to reclaim its self. and they're fighting for what the religion is about. >> how you persuade europeans to back that? if russia wanted to help us but that doesn't change my view on ukraine or eastern europe. there can be times we can work together for common purpose to let them off the hook with their friends in eastern europe. we spent a little time before we came out to talk about this. look at the number of attacks, isis inspired we hear about them so many we don't see because summer larger than others this is an attack on all of them they will not go away so who would have dreamt that we would see what we saw in brussels? it is everywhere. you have to go to where the problem is my view is you don't have to lecture you have to talk to the leaders and privately when american needs to lead and then we can convince them the first goal for the was a big deal but nothing more than saddam hussein invading kuwait i remember the injection of basket -- embassador pledged arab support we're not talking about an