A tip from the public led police in California's capital city to arrest a 28-year-old man Wednesday in the stabbing of a U.S. airman hailed as a hero for helping thwart a European terror attack.Air Force Staff Sgt. Spencer Stone was knifed three times in the torso on Oct. 8 in a fight near a bar in Sacramento, shortly after nightclub patrons applauded the 23-year-old for his role in tackling a gunman with ties to radical Islam on a Paris-bound passenger train in August.
