Political Prince Jack Schlossberg is running for congress – leaving even Democrats furious and questioning, “Does he even know what he stands for?” The only grandson of President John F. Kennedy is wading into a crowded primary to run for New York’s 12th district —  a power-filled area encompassing the United Nations, the Empire State Building, Times Square, Central Park and Chelsea.  He lives in the latter neighborhood in a one-bed apartment and sleeps on two massage tables with his childhood,