Obama campaign confronts WGN radio by John McCormick and Steve Schmadeke DENVER -- Sen. Barack Obama's campaign organized its supporters Wednesday night to confront Tribune-owned WGN-AM in Chicago for having a critic of the Illinois Democrat on its air. "WGN radio is giving right-wing hatchet man Stanley Kurtz a forum to air his baseless, fear-mongering terrorist smears," Obama's campaign wrote in an e-mail to supporters. "He's currently scheduled to spend a solid two-hour block from 9:00 to 11:00 p.m. pushing lies, distortions, and manipulations about Barack and University of Illinois professor William Ayers." Kurtz, a conservative writer, recently wrote an...