President Obama, in an extensive interview published Monday, defended Hillary Clinton and questioned Bernie Sanders in his strongest terms yet – likening him to a “bright, shiny object†and dismissing comparisons between his own 2008 bid and Sanders’ rise. Weighing in extensively on the race a week before the leadoff Iowa caucuses where Clinton and Sanders are locked in a tight race, the president told Politico that Clinton entered the race with the “privilege and burden of being perceived as the frontrunner.†By contrast, he said, “I think Bernie came in with the luxury of being a complete longshot and...