Busting Myths about Islam and the Crusades (Part 4) President Obama likened the evil savagery that ISIS has been perpetrating in the name of Islam to Christianity and the Crusades. That's a very popular, but very wrong misconception about what happened historically. In this series, Lenny sets the record straight on misunderstandings concerning Islam and Muslim practices, and clears up falsehoods surrounding the Crusades. Part 4 of 4