The head of an Iraqi militia participating in a coalition of groups that have waged attacks against U.S. troops and Israel has told Newsweek that his forces are prepared to escalate their campaign significantly if President Joe Biden does not meet their demands. According to Sheikh Mohammed al-Tamimi‚ secretary-general of Faylaq al-Waad al-Sadiq‚ all they are asking for is the complete withdrawal of U.S. forces from their country. The group‚ whose name translates to the "True Promise...