Bruce Arthur: Canada keeps travel mask mandates as U.S. rules vanish into thin air (sometimes in mid-flight)

Imagine being a cancer patient on a plane over America as their mask policy changed, and people cheered. Or worse, where a flight attendant sang to take off your masks as he walked the aisle with a bag. On Monday an American judge who shouldn't be allowed to write a rental car agreement struck down the country's national mask mandate on planes, trains, taxis and transit hubs. In reasonably dystopian fashion, the change was announced by several airlines mid-flight.