The leaders of Canada's main political parties gather for a televised English language debate in Montreal. Subscribe to The Telegraph with our special offer: just £1 for 3 months. Start your free trial now: https://www.telegraph.co.uk/customer/subscribe/digitalsub/3for1/?WT.mc_id=tmgoff_pvid_conversion-subscription_editorial-iniative_03-22_EGW-13_organic_youtube Get the latest headlines: https://www.telegraph.co.uk/ Telegraph.co.uk and YouTube.com/TelegraphTV are websites of The Telegraph, the