Former President Bill Clinton told a New Jersey crowd Wednesday that non-college educated whites “need to be brought along to the future.” Mr. Clinton campaigned for his wife in Crandford by tearing into Republican presidential hopeful Donald Trump’s comments on illegal immigration. He then implied that Mr. Trump’s supporters cling to a vision for America that is better left in the past. “We have been told over and over again in this election we ought to build a wall against Mexico, we ought to stop the Muslims from coming in, we want to do all this stuff,” Mr. Clinton said,...