A slide used in a Department of Defense (DOD) training manual identifies Catholics and evangelical Christians as “religious extremists,” along with members of the Ku Klux Klan, al Qaeda and Hamas, according to a Marine Corps officer. “First Liberty also obtained a screenshot of an unclassified slide from a U.S. Army training manual. The slide is entitled ‘Religious Extremism’ and it purports to identify religious extremists,” Michael Berry told the House Armed Services Committee during a hearing Wednesday entitled “Extremism in the Military.” Berry is General Counsel to the First Liberty Institute (FLI), a Plano, Texas-based public interest law firm that specializes in First Amendment and religious freedom cases. Berry is also an officer in the Marine Corp Reserves, though he presented his testimony in his capacity as a civilian. “Included among those listed are al Qaeda, Hamas and the Ku Klux Klan as groups that use or advocate violence …