On January 27, true to his campaign promise to suspend Muslim immigration, U.S. President Donald Trump signed an executive order restricting all immigration from Iran, Iraq, Libya, Somalia, Sudan, Syria, and Yemen, and indefinitely barring Syrian refugees from entering the United States. By doing so, the Trump administration has taken a definite stance on what it holds as the threat posed by immigrants and refugees to U.S. security. As we argued in April 2016, however, democracies like the United States “are not opening their doors to terrorism when they let in Muslim immigrants.”