The Trump administration has quietly instructed federal prosecutors in Miami to avoid pursuing criminal investigations into Venezuela’s acting President Delcy Rodríguez, a longtime target of the U.S. Drug Enforcement Administration, according to current and former U.S. law enforcement officials, in the latest sign of warming relations between the White House and the oil-rich nation. It’s unclear whether prosecutors had implicated Rodríguez in any crimes or whether investigators were moving toward an indictment. A Justice Department spokesperson said in an email “there was never an investigation into her to shut down.” But DEA records obtained by The Associated Press earlier this...