DENVER—A Colorado police officer shot and killed after rushing into a supermarket where a gunman opened fire sacrificed his life and showed what is best about police, Denver’s archbishop said Monday during a funeral Mass for Officer Eric Talley. “Jesus has told us, greater love than this no man has than to lay down his life and Eric lived that,” Archbishop Samuel Aquila said during the traditional Latin Mass, the style beloved by Talley, at the Cathedral Basilica of the Immaculate Conception in Denver. Aquila offered his prayers and condolences for Talley’s family, which include his wife and seven children. He also said he would pray for the protection of police, who are too often “taken for granted.” “For too often, you are are taken for granted and yet in situations like this, you are the ones who protect human life,” Aquila said. Talley’s casket, draped in black and flanked …