CNN Anderson Cooper Special Report April 20, 2013 02:23:00
Gone overseas who have tried to detonate bombs in the united states, for instance the times square bomber, shahzad. he was trained and wasn't -- he drive his suv into times square, detonated a bomb. it didn't work. even with training, sometimes people don't get it right. and i think the idea that these people simply read a recipe on the internet and built two very successful bombs doesn't -- it's very unlikely. so that's a first question. the other question is, the -- the kind of question that president obama raised in the briefing which is, you know, how do they become radicalized in the unit...