Judge rules Congress can see Trump’s tax records

Tonight on the Last Word: Donald Trump’s longtime accountant testifies before a New York grand jury. Also, the January 6 committee reveals new texts between Mark Meadows and lawmakers. Plus, President Biden renews the call for Congress to act on gun control on the 9th anniversary of the Sandy Hook shooting. And California Gov. Gavin Newsom pushes a gun law modeled after the Texas abortion law. Tim O’Brien, Neal Katyal, Rep. Jason Crow, Steve Schmidt and Sen. Chris Murphy join Lawrence O’Donnell.