Charles Krauthammer tonight slammed President Barack Obama’s remarks today at the National Prayer Breakfast, where Obama compared ISIS attacks to the violence committed by Christians in the Crusades.

“Humanity has been grappling with these questions throughout human history. Unless we get on our high horse and think this is unique to some other place, remember that during the Crusades and the Inquisition, people committed terrible deeds in the name of Christ. In our home country, slavery and Jim Crow all too often was justified in the name of Christ," Obama said.

Krauthammer told Sean Hannity, “I was stunned that the president could say something so at once banal and offensive.”

Krauthammer noted that the speech came two days after a shocking act of barbarism, yet Obama’s message is to remember the Crusades. Krauthammer remarked that the story of the Crusades is over, and today’s story is of the overwhelming barbarism due to radical Islam.

“The present issue is Muslim radicalism and how to attack it,” he said.

Krauthammer also weighed in on Brian Williams’ untrue story of being in a helicopter that was hit by an RPG, calling it “a big mistake on his part.”

“If you’re gonna make up a story, you do it when there aren’t other people around […] you tell a story about wrestling a lion to the ground because, generally speaking, lions don’t have access to the Internet. But you don’t do it about an event that everybody saw and that you know in the end you’re gonna be unmasked about,” Krauthammer said.

Plus, Hannity asked Krauthammer to sound off on "American Sniper." Hear what he had to say in the video above.