Like many, I travel a lot for work. Unlike many, I never get tired of it. On the open road are always interesting people and new places. Phoenix in July or Fairbanks in the winter? Bring it on. There ...

On a long drive, Itzhak Perlman will sometimes listen to classical music on the radio and try to guess who's playing. "There is always a question mark," he says. "If it's good, boy, I hope it's me. If ...