SHOCKING TV MOMENT: Jon Stewart Mocks Karoline Leavitt—But Her Ruthless Comeback Leaves Him SpeechlessAdvertisement: 0:26Close PlayerKaroline Leavitt’s Game-Changing Showdown with Jon Stewart: A Stunning Defeat and the Rise of a New Conservative VoiceIn what can only be described as one of the most electrifying moments in recent media history, Karoline Leavitt, the 27-year-old White House…