Americans who have run afoul of former President Donald Trump are making plans to flee the country should he be reelected and seek revenge, according to a new report. NBC News spoke with more than a dozen people who’ve testified against Trump, written books decrying his policies, or fled his administration — and are now faced with his potential return to power. “I’ve been saving money and making other arrangements,” said Stephanie Grisham, a former press secretary and vocal Trump critic. “It’s terrifying.” ALSO READ: How Donald Trump is spreading a dangerous mental illness to his supporters Ra…