Taking tips from John Howard, Peter Dutton knows the barbecue stopper is key to shaping the national conversation | Julianne Schultz

When Peter Dutton lumbered on to the national political stage in 2001 with his stiff policeman’s gait and hectoring manner, few saw him as prime minister John Howard’s heir and successor.

That this is what he has become is a measure, two decades later, of just how effective Howard’s…