The rest of the story.
Cannon lays groundwork for Harper's China visit
The Conservatives have focused on trade, but must also come to terms with China as a rising global force. Some say Mr. Harper's advisers were jolted at the April Group of 20 summit in London by comments that action, on issues such as the global financial system and climate change, will be addressed in the U.S.-China "G2" talks.
http://www.theglobeandmail.com/servlet/story/LAC.20090518.CHINA18ART2229/TPStory/?query=G2China and US held secret talks on climate change deal
http://www.guardian.co.uk/world/2009/may/18/secret-us-china-emissions-talksProbably enough to make one run to the washroom.