In Focus delivers deeper coverage of the political, cultural, and ideological issues shaping America. Published daily by senior writers and experts, these in-depth pieces go beyond the headlines to give readers the full picture. You can find our full list of In Focus pieces here. I’m not in the prediction business. But I do enjoy history. And history tells me overconfident Republicans may be in for an uncomfortable awakening soon. Democrats, after all, are off their rockers these days, and yet the GOP only holds a historically narrow four-seat advantage in the House. There’s a not-insignificant likelihood Democrats could take...