Clearly, that has to be part of it, that you have to have a subpoena power. You'll never be able to address the conundrum O'Connor found himself in vis-à-vis representatives of foreign governments, because they're immune to your process. But everyone in Canada should be subject to subpoena power and be required to attend and to produce documents so you can answer the question. You cannot answer the question with integrity if you don't have access to the full testimony and the full information; it's as simple as that.
On March 5th, 2009. See this statement in context.