Former Sen. Claire McCaskill (D-Mo.) said she and her family will start a new Fourth of July tradition on Friday — watching video of the attack on the U.S. Capitol on Jan. 6. McCaskill, an MSNBC contributor, told MSNBC’s “Morning Joe,” that her family would watch The New York Times’ 40-minute in-depth visual investigation of what led to the riots that led to five deaths. “We’re going to start a new family tradition in my family,” McCaskill said. “On the Fourth of July and every Fourth of July going forward, we’re going to watch that video The New York Times...