Homeland Security panel also says traffickers are forming ties with U.S.-based gangs The U.S. Border Patrol and other law enforcement agencies at the U.S.-Mexico border are outgunned by increasingly ruthless and well-armed Mexican drug cartels, a new congressional report concludes. "The cartels use automatic assault weapons, bazookas, grenade launchers and improvised explosive devices," the House Homeland Security oversight subcommittee report said. "In contrast, U.S. Border Patrol agents are issued 40-caliber Beretta semiautomatic pistols." The report, scheduled to be released today by U.S. Rep. Michael McCaul, R-Austin, said drug cartels are able to break the encryptions on Border Patrol and sheriffs'...