MTV, ROLLING STONE and the rock and roll establishment -- past and present -- have cast their vote, and their man is John Kerry. So on Sunday night when John Kerry's daughters were announced to speak at the annual MTV VIDEO MUSIC AWARDS, the MTV youth were expected to welcome his daughter's as pop culture princesses. Instead, in an era of the unexpected, the daughters of the Democratic candidate were met with a resounding wall of boos at the filming in Miami. From the moment Alexandra and Vanessa started speaking, the boos outweighed anything close to cheers, and the reaction...