The end of the season brings a fireworks display to mark their success, to recognize a job well done, and to allow the crew a final burst of relief after weeks and months at sea.

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Mr. Armstrong says the variance at the six-month mark comes down to the success of individual CEOs.

WSJ: Best and Worst Jobs of 2012

Marty Mornhinweg has all the biographical factors to mark him for Belichick-like success in his next job and did the seemingly impossible, in making Michael Vick an accurate passer, but mention his name and images of his 5-27 tenure with Detroit come to mind.

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Obama defenders will say Reagan was not looking too good at the 18-month mark either and still persevered to ultimate success.

CNN: Obama waiting to see if his bets pay off

Facebook became a success overnight, well, it took Mark several years to bring it to the top, but it only surprises us.

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Quirky humor is a mark of Onuki's work -- and key to its success.

CNN: JAPAN'S HIDDEN PERSUADERS

"I find that both Mark and Garry share an ambition for success and the enthusiasm and capability to deliver on that ambition, " Sheikh Mansour told the club website.

BBC: Hughes receives Man City backing

There have been calls for Bradford to capitalise on its success and recruit more British Asians, but it is not easy, says chairman Mark Lawn.

BBC: British Asian footballers bid for breakthrough

All of which makes Olympic success far from guaranteed, but this is the year in which the proud Yorkshireman can begin to make his mark on the Games.

BBC: Sport - Alistair Brownlee ready for crucial Olympic qualifying year

Success may not happen to everyone, but it sure is gratifying to see it happen to an authentically good person like Mark.

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