Canadian Conservative attack ads fired at Liberal Leader Stephane Dion may end up sideswiping the ruling party after questions were raised about possible breach of copyright laws. A broadcast consortium which filmed debate footage used in the ad said that any outside use of debate video would have to be approved by all pool members. Moreover, he said such video is traditionally never authorized for use by political parties.
http://cnews.canoe.ca/CNEWS/Canada/2007/01/29/3475135-cp.html