He said it under oath. James Comey, the head of the F.B.I., confirms at a House hearing that his agency is investigating the Trump campaign’s ties to Russia, and says it will pursue it “no matter how long that takes.” And why the president’s Supreme Court nominee is likely to say almost nothing of substance at his confirmation hearings this week. Guests: Matt Apuzzo, who covers the F.B.I. for The Times; Barbara Dury, a producer at Retro Report. For more information on today’s episode, visit http://nyti.ms/2n5WeGA.