On the sands of Bondi Beach, one of Sydney’s wealthiest suburbs, surfers and seaside walkers jostle for space, while joggers clog the nearby promenade and fitness buffs huddle around public exercise equipment.To the west, where Covid-19 infections are greatest, stores sit shuttered on empty streets as some of Australia’s most migrant-heavy neighbourhoods endure heightened lockdowns, enforced by high-visibility policing backed up by the military.About three-quarters of New South Wales state’s…
