Behold and Fear the Power of Justin Bieber Beliebers

If you have a young teen or tween in your life, you already know that this is an epic week: 16-year-old Canadian pop superstar Justin Bieber's second album, "My World 2.0" (sequel to last November's "My World"), was released yesterday. Actually, you don't even need a minor around to tell you what a major deal this kid has become: He's on the current cover of Billboard; "My World 2.0" takes the