Ottawa’s mayor is calling on the federal government to appoint a mediator to help end the truckers’ convoy protest taking place in the city against federal COVID-19 mandates and restrictions. Mayor Jim Watson told CTV News that he has suggested to federal ministers that they appoint a mediator who could be “an honest broker on both sides to try to find some common ground.” “Someone of great stature in our community and the country who can actually open doors and bring some peace and calm to the situation,” Watson said. “That’s one option that I think the federal government should pursue because right now we’re at a complete standoff.” Prime Minister Justin Trudeau has maintained he won’t be meeting with the protesters. Convoy organizers say they want to talk with the government, but no representatives from any level of government have contacted them. “The first thing they’ve got to do is call …