Sydney Morning Herald: In a taste of things to come, the political fight brewing over emissions trading crept up a few notches this week. The Opposition unearthed arguments of the economic havoc the Government’s plans would wreak, Kevin Rudd hit back with charges of climate change scepticism. But alongside the political squabble, another tussle – with equally important consequences – is shaping up between business interests over the depth of greenhouse gas cuts. No one disputes an emissions trading scheme …