...First, and most important, is focusing on the economic concerns of working-and middle-class Americans, many of whom now regard the Republican Party as beholden to “millionaires and billionaires” and as wholly out of touch with ordinary Americans. This is a durable impression—witness Bill Clinton’s effective deployment of it more than 20 years ago and its continued resonance during the 2012 campaign when Team Obama portrayed Mitt Romney as a plutocrat who delighted in shutting down factories and moving jobs overseas. Sure enough, in November exit polls, 81 percent of voters said that Barack Obama “cared for people like me”; a...