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There have been upsets in the past - fans of Rage Against the Machine's Killing in the Name put a small-but-welcome dint in the X Factor monopoly in 2009.

Roigard took an early dint in the destruction derby of Test rugby, but, patched up and tuned up, he looks set to hit clean air.

But America matters by dint of its economic and military strength, and its major role in many alliances.

But through sheer dint of numbers, even well-intentioned visitors can be a burden.

Norman Haynes, who for years was Voyager’s overall project manager, once said that Dr. Stone, by dint of his scientific expertise and management skill, “revolutionized the world of project science.”