Praise be to Akhenaten, to Cleopatra, to Ra, Sun Ra, Iris, Osiris and all the ancestors and ancestresses: Flyboy in the Buttermilk, by the late, great Greg Tate—that posthumous Pulitzer Prize-winning polymorphous polymath, the heppest cat to ever done bee bop in the pages of the Village Voice and Vibe—is back in print. Subtitled Essays on Contemporary America, this collection of 40 articles is as relevant today as it was when it was first publ…