Mariah Carey reportedly left Barack Obama's star-studded Neighborhood Inaugural Ball in Washington last Tuesday night furious because the event's seating plan kept her separated from the President and First Lady."Mariah was in the VIP area, where every celebrity, like Jon Bon Jovi, Mary J. Blige, Alicia Keys and Bruce Springsteen, was seated,"
a source told The NY Post
on Friday."But somehow she