Here's a video of Barack Obama bawling out Bush and McCain for suggesting, he says, that an Obama administration would appease Hamas or Hezbollah:

http://www.youtube.com/watch?v=Yeejb_cFcjc

And here's detailed analysis of what Bush said in Jersualem.

http://www.nytimes.com/2008/05/16/us/politics/16obama.html?_r=2&ref=politics&oref=slogin&oref=slogin