NEW: Karoline Leavitt sounds the alarm on non-citizens appearing on U.S. voter rolls after New Jersey reveals that 6,600 non-citizens were mistakenly registered

NEW: Karoline Leavitt sounds the alarm on non-citizens appearing on U.S. voter rolls after New Jersey reveals that 6,600 non-citizens were mistakenly registered to vote: "The fact that she just all of a sudden decided to put out a press release saying President Trump and Republicans have been right…