More questions for Harper

In local news . . .

Pittsburgh Police Chief Nate Harper -- whose relationships with private security firms (one of which is under indictment) is facing questions -- became part of another private security firm last year without the knowledge of the Ravenstahl administration. Jon Silver, Liz Navratil and Rich Lord have the story.

Airport consultants are questioning why county exec Rich Fitzgerald the airport board demoted the airport's director. "Having a human sacrifice will not bring you one more flight and that's exactly what just happened," one consultant told the P-G's Mark Belko.

Pittsburgh Obama High School will host a mayoral debate March 17 at 1:30 p.m.