david pollock, no guarantees? >> no, there are not any guarantees, but i agree on this point, speaking of the u.s. track record is quite good. there are some examples of unintended consequences and a backlash or backfire of our policy, but there are many many other examples. when american support, either for governments or for guerillas, as case may be, had bad affect only for the united states, about other countries. for egypt, that's the case, and i think it will continue to be the case. >> steven, do you agree? >> i think what david is talking about here is a dilemma that american policymakers face. the long run is made up of a lot of short runs, and until they can figure out how to secure american interests over the short run, until we get to the longer run, where we all believe that democratic countries are more stable and more in line with american interesting, until they do that, countries are massively unstable. just look at egypt. until we can look at that question, we are going to default to supporting t

and david pollock is a fellow of new age policy. >> it's the second anniversary of the longest serving president hosni mubarak being ousted. the regime took over and in many ways it seems to be a return to that era, right. i mean we have got all these reports of oppression before the vote. we see violence clashes. one has to ask themselves, is egypt better off today than it was when he was in office. >> it's a good question, a fair question. there has been a lot of twists and turns since hosni mubarak fell three years ago. we had a long period of military rule under the supreme council of armed forces ceding control to mohamed morsi, and then the coup of july 2013. there's every indication that some semblance of the old order that was supposed to have been done away with result of the uprising is coming back the new constitution upon which people were voting lays out important personal and political freedoms and institutionalized the autonomous role of the military, and egyptian constitution lays out personal and political freedoms only to have them undermined by laws and actions of th

david pollock, no guarantees?> no, there are not any guarantees, but i agree on this point, speaking of the u.s. track record is quite good. there are some examples of >>> there's a new study out pointing to a possible break lou to what was once thought to be an incurable eye disease. emma hayward explains. >> reporter: many of us take our eyesight for granted, but in you live with this disease you can eventuallily with blindness. >> the peripheral vision shrinks and shrinks and shrinks, and eventually i left with a small portion of eyesight >> reporter: it's linked to a mutation in a gene, and it causes the lines of the retina, the back of the eye to degenerate. scientists injected the retina with a modified virus which is made safe. it halts the disease and can improve the eyesight. six months a third of the patients could see further down on the lines chart. >> we're genetically modifying people, but i would say we're genetically modifying them in a positive way, because we're putting back a gene that is missin

david pollock, no guarantees? >> no, there are not any guarantees, but i agree on this point, speaking of the u.s. track record is quite good. there are some examples of >> every sunday night join us for exclusive... revealing... and surprising talks with the most interesting people of our time... >> parkinson's forced his wife to type his novels. >> not only was i typing badly, but i was hallucinating... >> now, a revolutionary proceedure is giving is giving this best selling author a second chance >> it was a wondrerful moment... >> after the implant, they turned the juice on, and... >> emily & martin cruz smith on talk to al jazeera only on al jazeera america one of the great things about working at al jazeera is the amount of space you have to do the kind of stories that take a long time to cover. to have the complete editorial freedom to tell these stories and do so with the adequate resources is amazing. >> embattled new jersey governor, cress chris, returned to the spotlight on tuesday afternoon to deliver

david mattingly, appreciate that. joining me, mel robbins, radio host and a founder of inspire 52, a company she created so people could start their day with positive stories, and dr. william pollock. doctor, you heard about the road rage incident, the walmart incident for buying too much items, this elderly gentleman gets attacked for trying to buy too many items in an express line? are we seeing a genuine increase in anger in our society? >> well, what we're seeing is a genuine increase of the expression of anger in more violent ways. we heard one person say people are out of touch with reality. i don't know about that. they're out of touch with each other. we live in this connected society. when you're in pain, when you're young, when you're old, when you're feeling sick or feeling angry, we don't know who to talk to or how to change things. and that can build up in some people to the point where it looks like they're snapping, but it's been building for a long time and they express it in a rageful way, sometimes with guns. >> but it does seem like people have gotten more rude in my time here on earth. certain behaviors that once were unacceptable in public have become more com