Sydney Morning Herald: The US is ruining the planet and Australia is just as culpable. NO WE can’t. This decade was definitely our last chance to stop dangerous climate change, if it wasn’t too late already, but when Sarah Palin chirps to Fox News that ”cap and tax” (her derisory term for a US emissions trading scheme) is ”off the table”, she means it. Her Big Oil-funded Tea Party movement has ruined the possibility of meaningful global action on climate and when federal opposition environment spokesman Greg…