The siege on Capitol Hill was big news overseas, with some front-page headlines calling it an attack on American democracy.
The Russian opposition leader was detained immediately after landing in Moscow from Germany.
Security measures are expected to be the tightest they have ever been for a presidential inauguration.
Police said Josephus Davis, 20, has been charged with the murder of Milan Loncar.
Incoming Biden Communications Director Kate Bedingfield is interviewed on "This Week."
Republican Rep. Peter Meijer of Michigan is interviewed on "This Week."