Iraq’s parliament called on Sunday for U.S. and other foreign troops to leave as a backlash grows against the U.S. killing of a top Iranian general, and President Donald Trump doubled down on threats to target Iranian cultural sites if Tehran retaliates. Deepening a crisis that has heightened fears of a major Middle East conflagration, Iran said it was taking another step back from commitments under a 2015 nuclear deal with six major powers. Iran’s most prominent general, Qassem Soleimani, was killed on Friday in a U.S. drone strike on his convoy at Baghdad airport, an attack that carried U.S.-Iranian hostilities into uncharted waters. An Iranian government minister denounced Trump as a “terrorist in a suit” after the U.S. president sent a series of Twitter posts on Saturday threatening to hit 52 Iranian sites, including targets important to Iranian culture, if Tehran attacks Americans or U.S. […]