Activists rally against the Muslim Ban on the day the Supreme Court hears arguments in Hawaii v. Trump in front of the court in Washington, DC on April 25, 2018 President Donald Trump’s effort to ban immigrants from several Muslim-majority countries heads to the Supreme Court, which will decide if his argument asserting national security interests was tainted by religious bias.The case, known as Trump v. Hawaii, will address the president’s broad powers to set immigration policy, which the administration says permit Trump’s travel ban, one of his hallmark policies since taking office in January 2017. Andrew CABALLERO-REYNOLDS / AFP