He's been busy.
Last updated on January 16, 2017, at 6:27 p.m. ET
Posted on January 14, 2017, at 4:42 p.m. ET
David Mack is a deputy director of breaking news for BuzzFeed News and is based in New York.
Contact David Mack at firstname.lastname@example.org.
Got a confidential tip? Submit it here.