MSNBC's Ari Melber hosts "The Beat" on Wednesday, January 25 and reports on the debt ceiling fight in Congress, with some in the GOP eyeing cuts to Medicare, social security. Plus, Memphis police under fire with calls for criminal charges in the death of Tyre Nichols who died after being pulled over for a traffic stop. Eugene Robinson, Jason Johnson, Fmr. Sen. Byron Dorgan and Maya Wiley join.