It would certainly be easier, but it is a well-known fact that there are important differences of approach between the United States and Europe with respect to privacy, so I don't think that this will happen any time soon, which puts Canada in a difficult position, obviously.
I've asked that certain legal protections be given to Canadians. For instance, asking the U.S. government to add Canada to a list of countries to which protection is given under the Judicial Redress Act would not be the whole way to having a tripartite regime, but there are steps. My point is that there may be steps along the way stopping short of having a tripartite privacy protection regime as between the EU, the U.S., and Canada.