Judge hears arguments Thursday in bid by James Comey and Letitia James to disqualify Lindsey Halligan

The criminal cases against two of the president’s fervent political adversaries face a critical test Thursday, as attorneys for former FBI Director James Comey and New York Attorney General Letitia James argue in court that the prosecutor who single-handedly brought their charges is unlawfully serving in her post.

​ The criminal cases against two of the president’s fervent political adversaries face a critical test Thursday, as attorneys for former FBI Director James Comey and New York Attorney General Letitia James argue in court that the prosecutor who single-handedly brought their charges is unlawfully serving in her post. Read More Breaking News, Latest News and Videos | CNN