Linda McQuaig on the prorogation

Why did the chicken cross the road?
To ask the Governor General to prorogue Parliament.

Proroguing less trouble than sitting
McQuaig offers the following advice,

As most acknowledge, Harper was trying to take the steam out of the growing furor over Canada's role in handing over Afghan detainees to probable torture, hoping the public will lose interest.

It's important to keep that motive front and centre. Harper's decision to prorogue was not only arrogant and high-handed, but it cut off a parliamentary investigation that was zeroing in on possible complicity in torture at the highest levels of the Canadian government.