First Read: Obama's Next Test on Iran Is Keeping His Party on Board

Obama's first test in maintaining Iran deal: Keeping his own party on board

President Obama faces several obstacles before actually achieving his historic nuclear deal with Iran. There's a Republican Party willing to fight him every step of the way. There's an Israeli prime minister vowing to kill it (see "Meet the Press" yesterday). And there's the fact that the U.S. and Iran still have to finalize key issues like the timing of sanctions relief. But the first test for Obama is making sure that his own party doesn't scuttle the deal -- by providing enough votes to override a presidential veto on bipartisan legislation scrutinizing the deal. Roll Call: "A key Iran bill moved this week to being just one vote away from having the necessary Senate support to overcome a promised presidential veto… Virginia Democrat Mark Warner became the 66th senator to publicly support the legislation." Two-thirds of the Senate (67 votes) and House (290 votes) are needed to override a president's veto.

History and the early perception of the deal suggest he will be able to do it.

Read the full article at NBC News.