BC Sunday covered in great detail 9/11 alternative theories. They referenced Scholars for 9/11 Truth, Loose Change, and the standard range of 'conspiracy theory' topics. The show featured interviews with Bob McIlvaine, Dr. David Ray Griffin, Dylan Avery, Lee Hamilton, and Jim Meigs (Popular Mechanics).
Download it, check it out, post some comments, and send in some feedback to the CBC. You can also check out a tiny bit on CBC's website at the moment here.