A formal announcement is expected on Tuesday afternoon as the government faces mounting pressure from tourism and travel associations to do away with vaccine mandates to help ease the chaos that has erupted at Canada’s airports and bring rules in line with provincial public health measures. The new rules are expected to come into effect on June 20, though two government sources close to the decision, who were granted anonymity to speak about matters they were not authorized to discuss publicly, say the rules for foreign nationals coming to Canada will not change: International travellers coming to Canada will still...