Kristen Welker speaks with acting Attorney General Todd Blanche, Sen. Thom Tillis (R-N.C.) and Rep. Ro Khanna (D-Calif.) after an armed man rushed a security checkpoint at the White House Correspondents’ Association dinner and exchanged gunfire with law enforcement. Leigh Ann Caldwell, Lanhee Chen, Adrienne Elrod and Melanie Zanona join the roundtable.