There are other reasons to doubt whether the POGG power can sustain legislation in this area that I won't go into, but they are set out in my brief.
The final possibility that I'll just mention super-briefly is, of course, pursuing the establishment of a national agency with comprehensive regulatory powers through interlocking legislation that would give it plenary jurisdiction over the subject matter. The agency would receive powers in both Parliament and provincial legislatures, like the negotiations that are going on regarding the establishment of a national securities regulator.
Thank you very much.