There's a great deal we don't know (yet) about John Kerry's efforts to resume negotiations between Israelis and Palestinians. What assurances did the United States provide the two sides; what commitments did they make to him; indeed, what are the terms for resumption of talks?
One thing we do know is that with Arabs and Israelis nothing happens quickly -- except failure. Arabs and Israelis have two speeds when it comes to negotiations: slow and slower. This is going to be a lengthy and complicated process. And so far the radio silence Kerry has maintained about the details of what he's doing is quite impressive.
So how are we to know if this process is on the right track and won't become just another woulda/shoulda/coulda enterprise? Here are five things on the U.S. side that I'd be on the lookout for.