Senator ABETZ (Tasmania—Leader of the Opposition in the Senate) (14:05): I remind the Leader of the Government that keeping promises is not 'churlish'. Mr President, I ask a supplementary question. Will the minister confirm that the carbon tax that the Prime Minister promised not to have is now the price Australians will pay for the government's deal with the Greens so she could cling to power after she lost Labor's majority at the last election?