Australia is heading towards minority government at a turning point in world history. This is a time when clear political vision and decisive leadership is called for, when the stakes for tomorrow's federal budget and the coming election couldn't be higher. Not that you would know it from the grubby squabbles that pass for national debate these days. America's democracy is under attack from an autocratic cabal of political extremists and billionaires; Europe and China are frantically trying to Trump-proof themselves; Russia and Israel are carrying out brutal assaults and refuse to stop; the increase in carbon dioxide in the…