AAP: The Australian government has not gone soft on climate change, the responsible minister, Penny Wong, says. The government will announce its crucial 2020 target for greenhouse gas reductions next week, amid mounting speculation it will opt for a relatively modest cut of five to 15 per cent. But the climate change minister insists the government is doing what needs to be done. “On taking the lead, Australia is doing exactly what it should do,” Senator Wong told ABC …