A federal judge dismissed the Virginia criminal cases against former FBI Director James Comey and New York Attorney General Letitia James on Monday, finding that interim US Attorney Lindsey Halligan was improperly appointed to her position and “had no lawful authority” to secure indictments of either of President Trump’s longtime adversaries. The humiliating defeat for the administration came 11 days after attorneys for both Comey and James had argued that Halligan had to be confirmed by the Senate after Attorney General Pam Bondi used up her allotted 120-day interim appointment on Erik Siebert, who resigned Sept. 19 after Trump publicly...