Acclaimed writer and historian Deborah E. Lipstadt must battle for historical truth to prove the Holocaust actually occurred when David Irving, a renowned denier, sues her for libel.Acclaimed writer and historian Deborah E. Lipstadt must battle for historical truth to prove the Holocaust actually occurred when David Irving, a renowned denier, sues her for libel.Acclaimed writer and historian Deborah E. Lipstadt must battle for historical truth to prove the Holocaust actually occurred when David Irving, a renowned denier, sues her for libel.