By Nathaniel Popper
Thu. Jan 15, 2009

One of the primary leaders in the fight to question and delegitimize the Holocaust has proclaimed that fight to be a lost cause, sparking a furious debate among his cohorts.

Mark Weber, a telegenic Californian, has served for 15 years as director of the Institute for Historical Review, which was founded in the late 1970s as a center for people dedicated to doubting and criticizing mainstream histories of the Holocaust.

This month, however, Weber released an essay on the institute