It's dog days on Capitol Hill — or, more precisely, dogs have had their day there. Five in particular — all war dog veterans. The canines joined their human advocates at a Capitol Hill briefing Wednesday, "Military Dogs Take the Hill," to spotlight an effort to require that all military working dogs be retired to the U.S. Congress passed a law last year saying the military may bring back its working dogs to the U.S. to be reunited with their handlers, but it does not say they must be brought back. Carlos, one of five war dog veterans at a...