Come right out and say: 'The electoral system in this country is deeply fucked. It enables deadlock, mindless partisanship, and endless games-playing. All to the detriment of cooperation, good governance, and sensible, fact-based policies. I pledge that the Liberal Party of Canada will propose legislation to address directly the democratic deficit by means of some form of proportional representation.'
There. Hear the scritching of millions of pencils making x's? You win.
And to Jack, Gilles, and Lizzie: feel free to jump on this bandwagon. It can do you nothing but good.