WYCLEF Jean is not a fan of President Bush - or of savoir-faire. The former Fugee went on a drunken tirade Saturday night at Mixx in the Borgata Hotel Casino & Spa in Vegas after performing with Nelly Furtado at Taj. At Mixx, Jean proclaimed, "President Bush needs to smoke marijuana . . . [Bleep] Bush!" He then leapt into the crowd - which started chanting "[Bleep] Bush!" -