WASHINGTON, DC - JULY 15: U.S. Rep. Ayanna Pressley (D-MA), speaks while Reps. Ilhan Omar (D-MN), Alexandria Ocasio-Cortez (D-NY), and Rashida Tlaib (D-MI) listen during a press conference at the U.S. Capitol on July 15, 2019 in Washington, DC. President Donald Trump stepped up his attacks on four progressive Democratic congresswomen, saying if they're not happy in the United States "they can leave." (Photo by Alex Wroblewski/Getty Images)