A Coalition whitewash at this year's federal election could still deliver Opposition Leader Tony Abbott control of both houses of parliament. A Crikey analysis of the likely impact of yesterday's state-by-state April-June Newspoll breakdown on the Senate vote shows an outside possibility of a John Howard-style Senate majority, which would enable clear passage for repealing the carbon and mining taxes and the ditching of the Gonski education reforms when new senators take their seats on July 1 next year.