Freezing Iraq's oil revenue is the right call — Iran-backed militias have launched hundreds of attacks on U.S. embassies, troops and diplomatic facilities, and Baghdad has done nothing to stop them. Nearly 95 percent of Iraq's federal budget comes from oil revenue held in U.S. accounts, giving Washington real leverage to demand accountability. Until Iraq arrests militia members and forms a government free of Iranian influence, cutting off that cash is the most effective pressure available.