Did you ever think you’d see the top of George Clooney’s head blending in with the night sky? Photo: Jamie McCarthy/Getty Images When George Clooney sat down with Jake Tapper on April 16 to discuss the fallout of his Joe Biden op-ed from last summer as well as his Broadway debut in Good Night, and Good Luck , there was something … different about him. No, it wasn’t his signature velveteen voice, nor his well-established political views, but that the aging heartthrob had brown hair. What was