The campaigns really know which moments to highlight from last night's CNN/YouTube debate. Here's Barack Obama talking about Iraq:

And here's Hillary Clinton talking about meeting with the leaders of Iran, Syria, North Korea, etc.:

We'll be seeing a lot of this clip, because there's a sense that Obama flubbed the question by saying he would meet with these foreign leaders in his first year in office. John Edwards, knowingly or not, helped Clinton by mostly agreeing with her answer.