 NEW YORK He was once Mexicos top cop and now a Brooklyn jury will decide if he was a lapdog for a drug lords empire. Jury selection is slated to start this week in the federal trial of Genaro Garcia Luna, Mexicos former secretary of public security, whos accused of taking briefcases of cash from the Sinaloa cartel while it was run by the notorious drug lord Joaquin El Chapo Guzman. Garcia Luna, 54, ran Mexicos Federal Investigation Agency from 2001 to 2006 and served as the countrys... 