Is using aid to Israel as leverage becoming a mainstream idea?

Tom Friedman today has some very harsh words for both the Israelis and Palestinians, both of whom -- he claims -- are not serious about reaching a peace agreement.  As a result, these are the principles which Friedman -- rather surprisingly -- advocates the U.S. should follow:

Let's just get out of the picture. Let all these leaders stand in front of their own people and tell them the truth: "My fellow citizens: Nothing is happening; nothing is going to happen. It's just you and me and...