A federal judge dismissed the Justice Department's cases against former FBI Director James Comey and New York Attorney General Letitia James, finding that the prosecutor overseeing them was unlawfully appointed to her role. That prosecutor is Lindsey Halligan, a 36-year-old former insurance attorney who served as one of President Trump's personal lawyers after his first term and joined his second administration as a White House aide.Trump appointed Halligan as acting U.S. attorney for the Eastern District of Virginia in late September, the day after her predecessor, Erik Siebert, resigned under pressure from the president to bring charges against Comey and...