Obama has to sign the deal so we can see how many Iranian nuclear warheads are inside it.

Via Weekly Standard:

…Fox host Greta Van Susteren asked, “When there is a proposed deal, will the American people get sort of a real strong briefing on it before it’s actually signed, sealed, and delivered so that we can have our thought whether it’s a good deal, bad deal, so we can have some input? Or is this going to be signed and then we are going to hear about it?”

“Well, I think it’s not about it signed — it’s negotiated between countries and it’s negotiated between leaders of countries. That’s traditionally and historically how international negotiations have worked,” said Psaki.