Rep. Alexandria Ocasio-Cortez, D-NY., stands to be sworn in before she testifies before the House Oversight Committee hearing on family separation and detention centers, Friday, July 12, 2019 on Capitol Hill in Washington. Rep. Veronica Escobar, D-Texas, is left and Rep. Rashida Tlaib, D-Mich., right. (AP Photo/Pablo Martinez Monsivais)