Earlier this month, House Democrats sent a letter to Treasury Secretary Steve Mnuchin, urging sanctions relief for Iran. Among other things, they criticized "the designation of Iran's Central Bank under terror authorities," arguing that "the efficacy of sanctions is questionable." An organization long described as a front group for the Iran regime sponsored the letter and has embedded staffers with many of the letter's supporters in Congress, including Reps. Barbara Lee (D-Calif.), Ilhan Omar (D-Minn.), and Rashida Tlaib (D-Mich.). “Is Iran’s regime quietly infiltrating Congress?” M. Hanif Jazayeri, news editor at Free Iran, asked on Twitter. He pointed out that...