Liberal Leader Justin Trudeau took aim at conservative premiers Friday, dangling $1 billion for provinces that choose to implement vaccine passport systems and a direct call for Ontario Premier Doug Ford to take the offer. “If your premier mandates that everyone in your local restaurant or gym or other non-essential locations must be fully vaccinated and show proof, we’ll pay for the development and rollout of that program,” Trudeau said, during a campaign stop at a restaurant in Mississauga, Ont. Trudeau has previously said Ottawa will enforce vaccinations for federal civil servants and federally regulated industries like airlines and banks. Only Quebec and British Columbia have moved on vaccine passports at a provincial level, with Quebec implementing them next week and B.C. in mid-September. Manitoba is expected to announce details on a vaccine passport there shortly.