After a Colorado gunman shot and killed 10 people in a grocery store Monday — just a week after a man shot and killed eight people in three Atlanta-area massage parlors — President Joe Biden has called for a ban on assault weapons and for the Senate to pass two background-check bills previously approved by the House. Attorney General Maura Healey joined Jim Braude to discuss the renewed gun control efforts, as well as her push for hate-crime reform in Massachusetts.