Andry Hernandez Romero, a gay makeup artist who came to the United States last year in search of asylum, is one of 238 Venezuelan migrants who were flown from the U.S. to a maximum security prison in El Salvador three weeks ago. President Trump, who campaigned on eradicating the Venezuelan gang known as Tren de Aragua, brokered a deal with El Salvador's president that allows the U.S. to send deportees to the Terrorism Confinement Center, or CECOT. The Trump administration used the Alien Enemies Act, a law not invoked since World War II, to send many of the Venezuelans there,...