July 7, 2010 6:20 am N Files: Wednesday, July 7 Our new summer jam, Wolf Blitzer fails at “Jeopardy” and “The Last Airbender” is terrible. Local 3:10 Suspect charged in killing of Chicago police officer faces additional charges 2:03 Prosecutors detail how Calumet City cold case unfolded, with suspect finally arrested 0:54 Richest person in Illinois revealed in new Forbes Magazine ranking 1:45 Video shows arrest of suspect in CPD officer Luis Huesca's murder 2:25 Thursday afternoon forecast