By asking the question, they have him in a corner. "Have you quit beating your wife yet?"
No matter how he answers, the question lingers. If he did not blame Israel for 9/11, the only response which is valid is not to play their game.
I'd have walked out, too.
To even deny, gives them the headline that "So-and-so denies blaming Israel for 9/11" which implies there is something to the allegation in the MSM where up is down and everything is twisted around an agenda.
Pauls problem is that he BLAMED ISRAEL for 911. HUMMMMMM, The sane people KNOW it was the Islamofascist.