In the UK or Australia, political leaders often lose their positions during party crises. However, in Canada, it's typically the voters who decide a leader's fate. National Post columnist Tristin Hopper speaks with Dave Breakenridge about why Canadian parties tend to stick with struggling leaders and the implications for Justin Trudeau amid declining polls. Background reading: Why Canadian prime ministers always stay well past their expiration date Learn more about your ad choices. Visit megaphone.fm/adchoices