Standing next to a vehicle as it vibrates so violently its windshield deforms from the pressure is sort of amazing. It’s also terrifying, since anyone sitting inside without hearing protection would most likely be bleeding from their ears and suffer permanent hearing damage — inside the car, massive subwoofer and speakers are pushing the volume past 150 decibels.

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It’s a warm day in late March when Linda Duncan starts knocking on doors just south of the university. Slush covers the ground, making life difficult for the four volunteers who have decided to join the NDP candidate in an election ritual — walking door to door to talk to voters where they live.