McConaughey calls for gun reform at the White House

The Last Word with Lawrence O’Donnell - A podcast by Lawrence O'Donnell, MSNBC

Tonight on the Last Word: Oscar-winning actor Matthew McConaughey pays tribute to the Uvalde shooting victims. Also, the January 6 committee is expected to focus on extremist groups during Thursday’s hearing. And primaries are being held in seven states tonight. Charles Blow, David Plouffe, Rep. Eric Swalwell, Daniel Goldman and Rep. Katie Porter join Lawrence O’Donnell.