In an exclusive reported by the Washington Post’s Paul Kane this afternoon, Sen. Chris Coons (D-Del.) has announced he will  join Sen. Bob Casey (D-Pa.) and lend his support to the Iran deal, bringing the Democrats’ vote total to 33, just one vote short of the 34 needed to uphold a veto of the Republican-drafted resolution to block portions of the agreement.

Jerusalem Post correspondent Herb Keinon writes that Sen. Tom Cotton (R-Ark.) told the Post today that “unless the deal … is submitted to Congress as a treaty and ratified by two-thirds of both chambers, it could be modified by the next U.S. president, or this or any other Congress,” a point that Cotton and 46 other Republican senators made to Iranian leadership earlier this year in an open letter.

Well, President Obama did take three Democrats from whom he needed support on a “rare golf outing,” and took three senators and 17 House members with him (all Democrats but one) along on his trip to Africa.

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Related:

Sen. Tom Cotton has some questions for John Kerry and his not ‘legally binding’ negotiation with Iran

NYDN cover labels GOP senators as ‘TRAITORS’ for open letter to Iran