To get caught up, if you're not familiar with this story, watch this:
Having this question asked by general Keith Kerr, someone involved with the Hillary campaign, and then having him in the audience and giving him a mic, was a clear ambush of the Republican party. It's a legitimate question that should have been asked, but WHO asked it, and HOW it was done by CNN was improper.
Negative points to Hillary Clinton and CNN.
If you didn't know, here is how the Clinton camp plants questions: http://youtube.com/watch?v=Gxpat-BS9CA