Biden pledges push for new gun laws after visit to Uvalde

Nearly a week has passed since the school shooting in Uvalde, Texas, where 19 children and two teachers were murdered. The Justice Department said Sunday it will investigate law enforcement’s response to the massacre as questions and frustration mount. Tony Plohetski, a reporter with the Austin American-Statesman who has been on the ground reporting in Uvalde, joins William Brangham to discuss.