This week, reality struck back against Democratic electoral utopianism. Since 2012, Democrats have been convinced that a new, durable, near-unbeatable political coalition was in the making: a coalition largely comprised of college-educated white voters, women, younger Americans, and racial minorities. This coalition would overtake the demographically shrinking “old, white majority” and win victory after victory. As Ruy Teixeira and John Halpin wrote for the Center for American Progress in the aftermath of Obama’s reelection, “Obama’s..