President Joe Biden waves as he walks across the South Lawn of the White House in Washington, Tuesday, April 23, 2024, after returning from a trip to Florida where he blamed Donald Trump for Florida's upcoming abortion ban. (AP Photo/Susan Walsh)
President Joe Biden waves as he walks across the South Lawn of the White House in Washington, Tuesday, April 23, 2024, after returning from a trip to Florida where he blamed Donald Trump for Florida's upcoming abortion ban. (AP Photo/Susan Walsh)
Pro-Palestinian protesters gather in front of Sproul Hall during a planned protest on the campus of UC Berkeley in Berkeley, Calif., on Monday, April 22, 2024. Hundreds of pro-Palestinian protesters staged a demonstration in front of Sproul Hall where they set up a tent encampment and are demanding a permanent cease-fire in the war between Israel and Gaza. (Jose Carlos Fajardo/Bay Area News Group via AP)
FILE - Police in Riot gear stand guard as demonstrators chant slogans outside the Columbia University campus, Thursday, April 18, 2024, in New York. U.S. colleges and universities are preparing for end-of-year commencement ceremonies with a unique challenge: providing safety for graduates while honoring the free speech rights of students involved in protests over the Israel-Hamas war. (AP Photo/Mary Altaffer, File)
Columbia University professors rally in solidarity with their students rights to protest free from arrest at the Columbia University campus in New York on Monday April 22, 2024. (AP Photo/Stefan Jeremiah)