they're not going to reach a final deal. they may never reach a final deal. my assumption is also at the end of the period, both sides will probably say, you know what, let's have another six-month deal. these things -- david is exactly right. these aren't agreements. these are truces. that's all they are. >> it's going to be like a continuing resolution. an endless stretching out. >> at the end is a real nuclear option. that's the problem. >> some have suggested, i heard michael haden on "morning joe" say at the end of the six months, if this is going to keep stretching out, that's when netanyahu has to ask himself, when is iran most vulnerable to a military attack and least likely to have cheated and continued. >> and when does he have that window of opportunity? which he might never actually have. >> by the way, the state department has just announced that secretary kerry is going to israel next week. >> right, to keep that other ball in the air. >> with netanyahu. i also wanted to ask you from your knowledge of israel about the story that's been breaking today about a billionaire