Maher On Islam's Dangerous Doctrines

'There's only one religion that threatens violence and carries it out,' says Bill Maher in this vigorous debate with Brian Levin, Director of the Center for Study of Hate and Extremism. Levin, meanwhile, stresses the 'heterogeneity' within Islam and the 'hypocrites' that exist in all religions.

04.23.13 11:41 PM ET