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 on March 24 titled “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 Corps Reserves, although 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 to …