The former Alaska governor was filmed fishing too close to protected bears

In her television nature show, Sarah Palin casts herself as a can-do superwoman of the natural world. She fishes, hikes across glaciers and preaches "respect for the elements" from a speedboat while clad in a yellow cagoule.

But the programme has already plunged the Mama Grizzly-in-chief into controversy after a leading conservationist in her adopted home of Alaska accused her of flagrant irresponsibility by fishing too close to protected brown bears.