President Donald Trump has revoked government security protection for former Secretary of State Mike Pompeo and his top aide Brian Hook, who have faced threats from Iran ever since they took hardline stances on the Islamic Republic during Trump's first administration. A congressional staffer and a person familiar with the matter, speaking on condition of anonymity to discuss personal security details, confirmed the change, but neither could offer an explanation. They said Pompeo and Hook were told of the loss of protection on Wednesday and that it took effect at 11 pm that night. It's another sign of steps Trump is taking just days into his return to the White House to target those he has perceived as adversaries. A day earlier, Trump revoked the security clearance and Secret Service protection from John Bolton, who was fired as Trump's national security adviser during his first term. He later wrote a book whose publication the White House unsuccessfully sought to block on grounds