As George W. Bush's favorite philosopher once said, "Indeed, the very hairs of your head are all numbered." And some of those hairs are likely to lose pigment. The New York Daily News takes a look at Barack Obama's pate, upon which observers have begun to notice a definite graying pattern. Is it the nonstop stress of the presidential campaign? Or is it something more sinister? Could it actually be a deliberate attempt on the candidate's part to add a little gravitas through the time-tested method of the aging process? Only his barber knows for sure, and he's not saying anything. Oh, wait, actually he is: