The Jonas Brothers' "Sucker" has been rocking the airwaves as their first-ever #1 hit. But the brothers – Nick, Kevin and Joe – have traveled long paths, both together and solo, since coming onto the scene as teens nearly 15 years ago. Tracy Smith talks with the Jonas Brothers, each now married, about family ties and their decision to regroup, produce a new album ("Happiness Begins"), and head out on tour.
