Brother Tariq: The Doublespeak of Tariq Ramadan, by Caroline Fourest; foreword by Denis MacShane (Encounter Books, 262 pp., $23.95) In the 1990s, Western liberals, alarmed at the presence of Islamic fundamentalists in their midst, turned in desperation to Muslims whom they dubbed “reformers” or “modernizers.” They hoped that these figures would have a moderating influence on disaffected Muslim youths who refused to integrate into Western society. One such “reformer” is Tariq Ramadan, a Swiss-born academic. Ramadan has won the confidence of many in the West, including the British government, which asked him to serve on its task force for...