In a little-noticed email published online Wednesday by Citizens for Responsibility and Ethics in Washington (CREW), a young Dominican woman wrote nine months ago that she slept with 59-year-old New Jersey Democratic Sen. Bob Menendez at a series of sex parties organized by Dr. Salomon Melgen, a longtime Menendez campaign donor. “That Senator also likes the youngest and newest girls,” the woman wrote on April 21, 2012, according to an English translation provided to The Daily Caller by a native Spanish speaker. “In the beginning he seemed so serious, because he never spoke to anyone, but he is just like...