CHICAGO — A man with a long history of criminal activity on the CTA’s train lines was shot and killed Sunday evening at the Morse Red Line station, according to a law enforcement source. CWBChicago is not identifying the man in this story because officials have not released his name, but we have confirmed that he was awaiting trial for yet another robbery aboard a Red Line train at the time of his death. At about 8:20 p.m. Sunday, at least one gunman opened fire from a dark-colored Jeep outside the Morse station, 1358 West Morse, spraying rifle rounds up...