The wobbly congressional Democrats who could make or break the Iran deal

The Huffington Post has evaluated the positions that the remaining members of the Senate Democratic caucus are likely to take, based on public statements, voting histories and conversations with officials and congressional staff members.
The analysis indicates that 12 undecided Democrats are likely to back the deal, bringing the number of pro-deal voters to a probable 31. Another 11 senators are wavering, but may be convinced by public pressure or by the Obama administration — which is heavily lobbying all of the fence-sitters — to come around to supporting the agreement. If all eleven senators came along, it would bring the total to 42.

Sen. Chuck Schumer (D-N.Y.) is the only Democrat who has publicly announced that he will vote down the deal, although Sen. Bob Menendez (D-N.J.) is expected to join him.

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