Jon Bon Jovi kissed Ann Curry on the cheek. It was a chilly morning in mid-October outside the Today studios at Rockefeller Plaza. Ms. Curry was wearing a peacoat and dark stockings. Mr. Bon Jovi had on jeans and aviator sunglasses. Matt Lauer stood between them. They had news! Mr. Lauer explained to the guests on the plaza and the viewers at home that, henceforth, Mr. Bon Jovi would be serving as the first...