Economist: A WEEK after bushfires started blazing across parts of southern Australia, the country was still coming to grips with one of the most traumatic events in its peacetime history. The fires that erupted on February 7th in Victoria, the second-most populous state, killed more than 180 people. Police say the toll could reach 300. The final count will be left to authorities with the grim task of sifting through landscapes blackened by flames so ferocious that they melted car parts and devoured …