“Accidental Courtesy” chronicles Davis’ fascination with the K.K.K., from the 1980s through his current work with the Klan, American Nazis and other white supremacists and separatists.

These movies are unlikely to convert unbelievers, because they demand a type of belief that requires unassailable evidence.

John Matteson reviews two books about World War I: "The World Remade: America in World War I" and "The Vanquished: Why the First World War Failed to End."

Mark J. Davis reviews "War Against War: The American Fight for Peace" by Michael Kazin.

Instead of engaging women as persons, the film instrumentalizes them to push a political agenda.

"The Most Hated Woman in America" indicts Madalyn Murray O’Hair as no better than the corrupt religious leaders that she railed against.