Jonathan D. Sar­na is the Joseph H. and Belle R. Braun Pro­fes­sor of Amer­i­can Jew­ish His­to­ry at Bran­deis Uni­ver­si­ty and directs its Schus­ter­man Cen­ter for Israel Stud­ies. He is also the chief his­to­ri­an of the Nation­al Muse­um of Amer­i­can Jew­ish His­to­ry. He is author or edi­tor of more than thir­ty books on Amer­i­can Jew­ish his­to­ry and life includ­ing Amer­i­can Ju­daism: A His­to­ry.