Caroline Kennedy is reportedly alarmed that her son, Jack Schlossberg, could become "a target for violent haters" as he launches a bid for Congress. The 32-year-old Harvard-educated Schlossberg announced Tuesday that he will run for the Democratic nomination in New York's 12th Congressional District for the seat being vacated by retiring Democrat Rep. Jerry Nadler. Sources told the New York Post that Kennedy is worried that the current political climate is too dangerous for her only son. "Caroline has pleaded with Jack not to run, but he seems determined to follow in the political footsteps of his grandfather and generations...