He will need this canny doggedness in his new dealings with the centre.

ECONOMIST: Charlemagne

The bouts pile up toward the end, but, as with almost every boxing picture, they lack the grunting doggedness of the real thing.

NEWYORKER: The Fighter

Matthew Schifrin, a 27-year FORBES veteran who runs all our financial and investing coverage in print and online, is known for his quiet doggedness.

FORBES: Investment Advice, Our Past and Future

But the story refused to die, thanks to the doggedness of the left-of-center newspaper The Guardian which published a series of stories about the scandal.

CNN: Hacking scandal exposed secrets at Murdoch's tabloid

Solar One wouldn't be there if not for the doggedness of Gilbert Cohen, the French-born engineer who runs the operation on behalf of Spanish conglomerate Acciona Solar Power.

FORBES: Light And Heat

In Wasilla, a railroad town nestled among the mountains of south-central Alaska, she has earned a reputation for pursuing agendas with such doggedness that critics and supporters alike are compelled to acknowledge her fighting spirit.

CNN: Palin's swift rise is the talk of her Alaskan town

Celtic's speed and movement was a delight to watch, but Rangers' doggedness was denying them threats on goal until a fine Hinkel cross was met by the head of Barry Robson and looped from 15 yards off the face of the crossbar.

BBC: Celtic 1-1 Rangers