Illustrating that the jihadist enterprise transcends all borders, American Islamist groups typically preoccupied with remaking the U.S. have been leaving their fingerprints on the campaign to exchange secular authoritarianism for religious authoritarianism in the Middle East. As these organizations labor stateside to nudge the governing class to embrace Arab Islamists at the expense of liberals — prompting Egyptian intellectual Essam Abdallah to lament that "the most dramatic oppression of the region's civil societies and the Arab Spring … is led by the powerful Islamist lobbies in Washington" — several of the groups' past and current officials have emerged as key...