Trump signs revised travel ban, exempts Iraqis

US President Donald Trump signed a revised ban on refugees and on travelers from six Muslim-majority nations Monday, scaling back the order to exempt Iraqis and permanent US residents.With his first attempt frozen by federal courts, Trump signed a second order suspending refugee admissions for 120 days and halting new visas for travelers from Syria, Iran, Libya, Somalia, Yemen and Sudan.The White House said Trump -- who is embroiled in controversy over his aides' links to Russia and his own Twit