Cindy Adams -- The New York Post -- WASHINGTON's hostess with the mostest Buffy Cafritz, who's co- hosted DC's Inaugural gala (despite which party wins) since 1980, is into the new mantra of change. And economy. No more the Mandarin. This year, the Westin. Not black-tie. Not lavish. Simple supper. And the guest list? "Won't be made up until after the election," says Buffy.