The Senate will take up Biden's $1.9 trillion Covid aid bill this week as Johnson & Johnson releases its one-dose FDA-approved vaccine. Plus, Republicans are still taking in the former president using the CPAC stage to vow revenge on members of his own party. We discuss that and more with Ashley Parker, A.B. Stoddard, Dr. Nahid Bhadelia, Joseph Spector, Amie Parnes, Jonathan Allen, Andrew Mitchell, and Isaiah Pinnock.