Clearly, China is testing whether this Boy Scout of a nation will roll over. Turning down Nexen should be mark the beginning of a Canadian conversation about governance. Canada must decide what kind of table will be set to encourage investment here, who will be invited to dine and how guests must behave. Otherwise, Canada itself will become dinner. There should be no compromise and a turndown need not be difficult, won't burn any bridges and can be done elegantly in this way.