The parents of a 13-year-old Pennsylvania boy jailed for allegedly shooting his younger brother to death have also been jailed, charged with felony child endangerment. Mark Snyder and Stacey Renee Wright-Snyder were arraigned Friday in Waynesboro, CBS 21 News reports. Snyder is  being held on $100,000 bail, while Wright-Snyder’s bail was set at $75,000. As …