sarah palin, though, telling us tonight, she will not, not, seek the republican presidential nomination in campaign 2012. >>> dramatic shakeup at bureau of alcohol firearms and explosives. todd jonesounced 11 high level changes. the bureau needs to rebuild public trust in the operation of fast and furious program which allowed illegal gun sales to mexican drug cartels, some guns ended up as murder weapons both in mexico and the united states. >>> a pew poll has surprising numbers 34% say the wars in iran and afghanistan were worth fighting but 96% of veteran whose served since 9/11 are proud of their service. when asked to describe their experiences in iraq and afghanistan, in a single word, number one answer, look at that, bigger than anybody else, rewarding followed by hot, lousy, interesting, nightmare, eye-opening and educational. that brings us to tonight's number. 4,950. a number that is very special. very special. you see it up here. kimberly vaughn. her husband aaron signed up for duty after 9/11. he would leave his silver wedding band at home with his wife two children in virginia beach. they lost aaron in august when he and 22 other navy s.e.a.l.s were killed in a chinoo