Also in this article: Listen to more of our interview with Jay Leno As host of the legendary Tonight Show, Jay Leno proved to be a worthy successor to Johnny Carson. After all, the show maintained its No. 1 status under Leno through nearly three U.S. presidencies, 9/11, and guests ranging from a 12-year-old Lindsay Lohan to astronauts beamed in from space. Through it all, Leno never appeared jaded or less than 100 percent grateful for what he calls "the dumb luck of having the greatest, easiest