A LGBTQ pride celebration at D.C.’s Woodrow Wilson High School led to a big surprise for students Wednesday, as Principal Pete Cahall came out as gay in front of the crowd. Cahall tells WNEW’s Matt DelSignore that he just turned 50 and was “tired of hiding.” “I would be a hypocrite if I tell kids to ‘be who you are’ and not be who I am,” he said. He admits that he was nervous at the thought of sharing his secret in front of hundreds of students. Before his announcement, his hands were shaking, he said. But students were very...