There are 28 Jewish members of Congress: 26 Democrats, one independent who caucuses with the Democrats and one Republican. Nine of them are senators and 19 are representatives. Eighteen — a majority — back the Iran deal, nine oppose it and one is undecided. Backing the deal Senate Sen. Richard Blumenthal, D-Conn., elected 2010. Ranking Democrat on the Senate Committee on Veterans’ Affairs. Sen. Barbara Boxer, D-Calif., elected 1992, retiring next year. Democratic chief deputy whip, member of the Senate Foreign Relations Committee. Sen. Dianne Feinstein, D-Calif., elected 1992. Ranking Democrat on the Senate Intelligence Committee. Sen. Al Franken, D-Minn.,...