LEGENDARY DRAG PERFORMER and playwright Charles Busch lets it all hang out in his candid new memoir Leading Lady: A Memoir of a Most Unusual Boy (Smart Pop Books). It’s an intensive look back at his life encompassing early memories of yearning to be on stage as a boy and success with his own plays (among them The Tale of the Allergist’s Wife and Vampire Lesbians of Sodom) and various celebrity encounters with people ranging from Milton Berle to Audra McDonald.