WASHINGTON, Jan. 19 (UPI) -- A Michigan company has been inscribing references to biblical passages on sights for high-powered rifles used by the U.S. military, an investigation revealed. Trijicon has a $600 million, multi-year contract with the federal government to produce the sights, used by U.S. troops in Afghanistan and Iraq and to train Afghan and Iraqi forces, ABC News's "Nightline" reported Monday. U.S. military rules bar advocating any religion in Iraq or Afghanistan to prevent criticism that the united States was adding a religious element in its battle against Islamic insurgents, but Trijicon's sales and marketing director said the...