Elton John loves Andre Agassi, and he loves Las Vegas. But Sir Elton absolutely despises Dennis Miller. The superstar pop music icon -- who earlier in the day confirmed to us our August report that he is going to become a Strip headliner -- attacked Miller from his piano perch at the end of Saturday night's "Grand Slam for Children" benefit hosted by Agassi at the MGM Grand Garden Arena. "Americans are always asking why the rest of the world hates them," John said after singing his first song, "Tiny Dancer." "Well, the reason is Dennis Miller." "You've all gone...
