Reuters: Australia’s government is positioning to call an early election by insisting it will not bow to pressure to change its carbon trading scheme, the deputy leader of the influential Greens party said on Tuesday. Climate Change Minister Penny Wong last week unveiled draft laws underpinning the scheme and targeting emission cuts of between 5-15 percent of 2000 levels by 2020, warning opponents they risked getting nothing if they pushed for changes. Greens Senator and Deputy Leader …