BENSON — A group of men on horseback rode into the Benson Post Office late Saturday morning delivering saddlebags of mail. Nineteen riders, members of the Navajo County White Mountain Sheriff’s Posse Search and Rescue team, rode 235 miles from the Lakeside, Arizona, post office to Benson. The 48th annual White Mountain Pony Express Mail Ride started Wednesday morning after the horsemen were officially sworn in by a postmaster at Lakeside, with the group arriving in Benson around 11 a.m. Saturday. The commemorative ride is organized to recreate a glamorized era of Western history that lasted a mere 18 months...