A 50-year-old principal was found naked in his school office while watching gay pornography on Tuesday, according to sources. Sex toys were found nearby, the sources added. Police said John Acerra was a longtime teacher and principal in the Bethlehem Area School District, but was also allegedly selling crystal meth out of his school office. Acerra, of Allentown, was the principal of Nitschmann Middle School in Bethlehem, and was arrested minutes after he arranged to sell the notoriously addictive drug to a police informant, according to investigators. Police arrived and found meth and drug paraphernalia on his desk, according to...