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