MSNBC's Ari Melber hosts "The Beat" on Wednesday, December 21, and reports on the new transcripts from the Jan. 6 committee, the upcoming final Jan. 6 report and President Zelenskyy's meeting with President Biden. NBC's Mike Memoli, NYT Magazine writer Emily Bazelon, Rep. Jamie Raskin and fmr. FBI special agent Asha Rangappa join.