An anonymous reader writes: Recent revelations by Wikileaks show how top American leaders lied, knowingly, to the American public, to American troops, and to the world. Ellen Knickmeyer on the carnage she saw as Baghdad bureau chief. "Thanks to Wikileaks, though, I now know the extent to which top American leaders lied, knowingly, to the American public, to American troops, and to the world, as the Iraq mission exploded."