Iran
He wants a congressional review of the Iran deal before the U.N. votes on it.
Will the deal sow chaos in the Middle East, or are these fears totally overblown?
He says the U.S. is still hoping to get them back to America.
WHAT'S HAPPENING
In the end, presidents usually get their way.
Experts say: basically, no.
The House speaker vows to fight a deal that's "wrong for our country."
The 2016 GOP candidate slammed the Iranian nuclear deal.
