The White House, by grudgingly yielding to Congress' right to weigh in on a nuclear deal with Iran, has managed to dodge—for now—a domestic policy fight that could have potentially scuttled the Obama administration's delicate negotiations. "The White House secured some changes to the bill that made it more palatable, so the president has agreed to sign and he's ducked for now an unpleasant fight he might well have lost," said Larry Sabato, a politics professor and director of the University of Virginia Center for Politics. "When a president is fighting hi...