MSNBC's Ari Melber hosts "The Beat" on Thursday, January 26 and reports on former Memphis Police officers who are facing murder charges in the death of Tyre Nichols, who died after being pulled over for a traffic stop. Plus, President Biden fires back at Republicans, as some GOP lawmakers threaten to use the debt ceiling to impose spending cuts on Medicare and Social Security. Marq Claxton, Alencia Johnson, Chai Komanduri, and John Flannery join.