WASHINGTON — With five days to go until Election Day 2018, President Trump is doing everything he can to keep himself at the center of attention. On Wednesday alone, he: called for as many as 15,000 U.S. troops to the border – more than the number in Afghanistan (“We’ll go up to anywhere between 10 and 15,000 military personnel on top of border patrol, ICE, and everybody else at the border. Nobody’s coming in”); took aim at House Speaker Paul Ryan for disagreeing with him on birthright citizenship (“Paul Ryan should be focusing on holding the Majority rather than giving...