Liberal member Deidre Willmott has announced she will step aside as the endorsed candidate for the seat of Cottesloe as new leader Colin Barnet indicated he will revisit plans for a water canal from the Kimberley to Perth.

Liberal member Deidre Willmott has announced she will step aside as the endorsed candidate for the seat of Cottesloe as new leader Colin Barnet indicated he will revisit plans for a water canal from the Kimberley to Perth.