Tonight, five federal party leaders go head-to-head in the sole official English-language debate of this election. Elamin and Rosie lay out the stakes — which are much higher this side of Labour Day — and look at whether tonight’s event could have a greater impact than most leaders’ debates of the past. The two also take stock of the latest issues to add pressure to party leaders in recent days, including gun control, continued protests over vaccines and carbon pricing. How are the major federal leaders responding, with less than two weeks to go?