WASHINGTON — A gunman coolly drew a weapon from his pocket and opened fire at a security checkpoint into the Pentagon on Thursday in a point-blank attack that wounded two police officers before the suspect was fatally shot. The two officers suffered grazing wounds and were being treated in a hospital, said Richard Keevill, chief of Pentagon police. The shooter, identified as John Patrick Bedell, 36, of California, died hours after being admitted to a hospital in critical condition, authorities said. They had no motive for the shooting. There were signs, however, that Bedell may have harbored resentment for the...