Jennifer Lawrence, the genetic template for America's army of Cool Girl clones, revealed her secret Achilles' heel to David Letterman last night: She may have the singing voice of an angel, but it's a drunk, possibly dying angel.

What, you think you like chips? You don't. Not the way this young woman filmed on the Metro North train by a fellow rider does. After what appears to be a long night of partying, the blond hero pursues the American dream: chips followed by chips and more chips, straight from the dirty floor.