This is a Covid-19 message for Melburnians—and any other Australians or people around the world who wish to listen—because there’s another 18 months in this pandemic fight to go, and it doesn’t matter where you live. Wear a mask when out. Covid-19 is not a hoax—this is Australia—not Donald Trump’s America. Let me try to put this in historical terms. Right now, Australia is in the Dunkirk Phase of Covid-19. Australia as a nation is a long way off from being able to quote Winston Churchill when he said in 1942: Now is perhaps the end of the beginning. No! First up, Australia must declare its readiness to fight on the beaches, fight on the landing grounds, fight in the fields, fight in the…