TECOLUCA, El Salvador — U.S. Homeland Security Secretary Kristi Noem on Wednesday visited the high-security El Salvador prison where Venezuelans who the Trump administration alleges are gang members have been held since their removal from the United States. The tour included two crowded cell blocks, the armory and an isolation unit. Noem’s trip to the prison — where inmates are packed into cells and never allowed outside — comes as the Trump administration seeks to show it is deporting people it describes as the “worst of the worst.” Secretary of Homeland Security Kristi Noem tours the Terrorist Confinement Center in...