The Canada-China investment treaty—why?

Having read the investment treaty that Prime Minister Harper negotiated with China last September, my concerns about it have not been alleviated. (Honestly, I actually did read it!)

To begin with, I have problems with the process that created it. Negotiated in secret, it was then tabled in Parliament where it sat for 21 days while the government, as they have a right to do, denied debate. It can