Obama Has an Iran Deal. Now He Has to Sell it to Congress

After years of negotiation and involvement from other world powers, the historic nuclear deal the United States reached earlier this morning with Iran might have been the easy part. The harder part is President Obama selling it to a Republican-controlled Congress. But there is one important hitch: Under legislation Congress passed earlier this year, Obama could veto any vote of disapproval -- and it would take two-thirds votes from both the House AND Senate to override Obama's veto.