Tony Vaughn’s favorite part about delivering mail is also what opens him up to danger when he’s on the job. “We’re out in the community, we’re part of the community. We take pride and sometimes personal ownership of these routes. We see kids grow up, and meet neighbors. And the neighbors look out for us,” Vaughn said. Right now, they could really use people looking out for them. After serving as a carrier for almost 40 years, Vaughn is now the president of the National Association of Letter Carriers’ local branch. He’s worried for his colleagues. “Letter carriers are getting...