Akbar Cook, principal of West Side High School in Newark, sat across from Ellen DeGeneres on her talk show Friday, and couldn’t believe he was there. “I’m just so happy, I’m so nervous that I’m on the Ellen Show," he said, smiling, his hands fidgeting. “This is amazing. Wow." It’s understandable, Cook. She’s big, but you have done something special to earn the right to be there, too. I wrote a column about Cook last month because he had washing machines installed at his school this summer to deter bullying and embarrassment for his students, who didn’t want anyone to...