Tonight on the Last Word: Fake Georgia electors – who are now targets in Fulton County’s election meddling investigation - try to quash a grand jury subpoena. Also, Democrats target dark money’s effect on federal courts. Plus, families demand accountability two months after a new report on the Uvalde shooting. And Texas Democrats criticize Gov. Abbott’s “failure” to fix the power grid. Rep. Adam Schiff, Gwen Keyes Fleming, Sen. Amy Klobuchar, Sen. Sheldon Whitehouse and Beto O’Rourke join Lawrence O’Donnell.