DAY 478: Jan. 6 panel subpoenas 5 GOP lawmakers

<p>For the first time, the Jan. 6th committee subpoenas five of their own House colleagues, including Rep. Kevin McCarthy. It comes as federal prosecutors launch a grand jury investigation into former Pres. Trump's handling of classified documents. Meantime, Russia threatens ‘retaliatory steps’ after Finland announces plans to apply for NATO. Ashley Parker, Luke Broadwater, Tali Farhadian Weinstein, Don Winslow, Ben Rhodes, Gen. Barry McCaffrey, Zack Canepari and Erica Fink join.</p>