ST. LOUIS - The FBI has issued a "very vague" alert warning that people with ties to terrorist groups are downloading images of U.S. stadiums from the Internet, an agency official said Wednesday. The intelligence bulletin was sent in recent days to law-enforcement agencies nationwide. "There's no specific threat," said Bill Eubanks, head of the FBI's St. Louis office. "They just simply accessed the Web site." Images downloaded from www.worldstadiums.com. included the Edward Jones Dome, home to the NFL's St. Louis Rams, and Indianapolis' RCA Dome, he said. The FBI said it has contacted authorities in both places about security...