Back to the showdown with iran now and reaction to the president's dramatic last-minute decision to call off planned air strikes. one democratic congressman, a veteran of the war in afghanistan, is praising the president's call, but adding a worry. >> look, i commend the president for taking a step back. what we need right now is clearly a policy of courageous restraint, one that is layered with strategy and defined objectives. what we do not need right now, i cannot emphasize this enough, is yet another john bolton war. >> there's a lot of lawmakers on edge today and uncertain as they wait fo...