As of Thursday, the tally of senators officially throwing their support behind the Nuclear Weapon Free Iran Act was up to 56 — news with which the White House was most put out. “If certain members of Congress want the United States to take military action, they should be up front with the American public and say so,†Bernadette Meehan, National Security Council spokeswoman, said in a statement. “Otherwise, it’s not clear why any member of Congress would support a bill that possibly closes the door on diplomacy and makes it more likely that the United States will have to...