 Lewis 's arguments are presented as emanating exclusively from the scholar 's apolitical impartiality , whereas , at the same time , he has become an authority drawn on for anti – Islamic , anti – Arab , Zionist , and Cold War crusades , all of them underwritten by a zealotry , covered with a veneer of urbanity , that has very little in common with the " science " and learning Lewis purports to be upholding . 
