david gergen, who worked for both presidents reagan and clinton, and is now at harvard. tudying you, david, nobody's ever done that before. "cbs this morning" cohost norah o'donnell is back with us for a weekend work day and last but not least, our long-suffering and hardworking political director john dickerson. clarissa, i want to start with you, because you probably have been in syria more than any other correspondent. >> just a few weeks ago. >> schieffer: you were the first one to get in there. you went in under cover, got pictures and got this story and got it out and brought us the first really eyewitness reports and photyos of what was going on there. so what do you make of these reports now that the syrians did use this nerve gas on their own people? the president says it's a game changer. what does that mean? >> well, if you ask ordinary syrians they're not surprised at all. they have absolute no doubt that the regime has been using chemical weapons against them. but i think they're very skeptical about whether this revelation, or whether the intelligence that w

david gergen thank you so much. going to be taug about the white house correspondents' dinner. it's a place the president usually jokes with the media. maybe this year will be different because of what happened in boston. we'll talk about that next. you know how to mix business... with business. and you...rent from national. because only national lets you choose any car in the aisle. and go. you can even take a full-size or above. and still pay the mid-size price. i could get used to this. [ male announcer ] yes, you could business pro. yes, you could. go national. go like a pro. how old is the oldest person you've known? we gave people a sticker and had them show us. we learned a lot of us have known someone who's lived well into their 90s. and that's a great thing. but even though we're living longer, one thing that hasn't changed: the official retirement age. ♪ the question is how do you make sure you have the money you need to enjoy all of these years. ♪ >>> ask kwin anyone it's one of the toughest responsibilit

david gergen will join us next on america's fascination with margaret thatcher. >>> breaking news this morning. former prime minister margaret thatcher has died. the british prime minister was 87 years old. it's believed she died from a stroke. now, younger americans know about margaret thatcher, not from her role so much as the british prime minister, but how she was portrayed in the movie the iron lady. >> we will stand on principle or well not stand at all. >> were margaret, with all due respect, when one has been to war -- >> with all due respect, sir, i have done battle every single day of my life. and many men have underestimated me before. >> cnn's senior political analyst david gergen joins me thousand. she really, meryl streep i'm talking about, captured margaret thatcher's personality. i mean, she wasn't a tough lady. >> reporter: she was a tough lady. she wrote famously back in 1975 that if you want something said in politics, ask a man. if you want something done, ask a woman. and she lived up to that. first woman prime minister, most influential british prime minister sinc

they need to find some new ways to move the dial. >> david gergen and john king.ng this a lot, especially in the coming days. we'll see if the president can get what he wants off the ground in congress. the especially when it comes to universal background checks. >>> a letter to santa, a message on the kitchen chalkboard, a sister aching for her other half. left behind since the shooting massacre in newtown, connecticut. and we're only just beginning to hear about this for the first time as some of the victims' families are speaking out exclusively to "people" magazine. lisa sylvester has the details. >> reporter: noah loved wearing his brown winter jacket. he brought it to school at sandy hook elementary on december 14th. the day he and 19 other children were killed. >> it's the things you hold on to when you have nothing left. >> reporter: noah's parents share their family story in "people" magazine clutching that same brown jacket that a state trooper tracked down and returned to them. noah's twin sister is photographed holding his favorite toy. his mother sums