Here is the transcript from the Standing Committee on Finance on May 8, 2012. 6 witnesses, lots of questions. I was one of the witnesses.
Here is the May 8, 2012 Finance Committee (FINA) committee transcript on charity transparency, tax incentives and political activities
http://www.parl.gc.ca/HousePublications/Publication.aspx?DocId=5565322&Language=E&Mode=1&Parl=41&Ses=1