Beau Biden’s story, says University of Virginia politics professor Larry Sabato, that resonates with military members. And Trump, too, is responsible for his own drop in support among military members, says Sabato, whose state is home to many military families. “There is a very quiet contemplation among military members who are looking at Donald Trump, and the things he is saying and doing, and they’re a little nervous,” Sabato says. It’s not just the insults Trump has levied against the military, but “this is the ultimate in chaos. The military is anti-chaos,” Sabato says. Trump’s recent comm...