ON THE RIGHT TRACK
Ali tries to get inside the brain of the middle-aged man who sat next to her at Pippin. by Ali Gordon "I know what I want for my birthday," says my wife coyly, stepping into the living room. I peer at her from over my newspaper. "What?" "Pippin." "What?" "I want to see Pippin! It's a Broadway musical. Let's drive into New York and make a night of it." "Sweetheart, you know how I feel about mu - " "I know, but this on…