The Arab radicals aren't meeting in their conclave and saying, "oh my word...no embassy in Jerusalem! We've got the US on the run now. Oh, it doesn't matter that the US in Iraq and Afghanistan is killing us in droves. It doesn't matter that the US is shutting down our finances and keeping us in a state of disarray. No sir.. no embassy... now we've got them right where we want them." Of course they're not, that's my point. It really doesn't matter either way. They'd say the same thing about the Embassy in Tel Aviv, and they'd blow it up tomorrow if they could, regardless of anything we say.
As a political issue, sure, politician's lie, but that doesn't exempt them from criticism.
I like the fact that it is an automatic lie... What about this...
He got into office and realized the situation was more complicated than he understood as a candidate...