One officer dead, one injured in attack at Capitol

Tonight on the Last Word: A U.S. Capitol Police officer was killed after a man rammed his car into a security barricade outside the Capitol. Also, corporate America is waking up to the power of the voting rights movement. Plus, the most senior officer with the Minneapolis Police Department testifies that Derek Chauvin’s use of force against George Floyd was “totally unnecessary.” President Biden’s $2 trillion infrastructure plan goes beyond roads and bridges. And Republicans keep their distance from Rep. Matt Gaetz over sexual misconduct allegations. Leigh Ann Caldwell, Rep. Adam Schiff, Cliff Albright, Tom Smith, Delores Jones-Brown, Nick Kristof, Matt Fuller and Cynthia Alksne join Ali Velshi.