Ebrahim Raisi, the president of the Islamic Republic of Iran handpicked by Ayatollah Ali Khamenei, touched down in the United States this week for the United Nations General Assembly in New York. Raisi should never have been allowed to enter our country. The president is prohibited by Congress from granting entry visas for the UN to leaders who have committed terrorist activities, including threatening assassination, and who pose a risk to our national security. In January, Raisi threatened to assassinate former president Donald Trump, former secretary of state Mike Pompeo, and other officials. Last month, the Department of Justice unsealed...