Lynas insists he remains optimistic that climate change need not spell utter devastation, but the central message is unequivocally bleak.
Ms Payne's father John said dealing with the unanswered question of what happened gets harder every year, but he remains optimistic.
Massa is also seeking a maiden world title and he remains optimistic about his chances, despite losing ground to Hamilton in Shanghai.
President Bush, whose term ends next week, told CNN's Larry King on Tuesday that he remains optimistic that bin Laden would be found.
Although O'Brien did not end up winning the late-night battle, he remains optimistic about his future, he said, and hopes his fans do the same.
Still, Mr. Ratner said, he remains optimistic about the future.
Indeed, he remains patiently optimistic on one of the other great investment debates of the moment.
It will continue to trade as a going concern, and chief executive David Sculley says he remains "optimistic" a buyer can be found.
Zidane himself confirmed he will miss France's first game, but remains optimistic that he could be fit for the crucial second match against Uruguay.
Mr Wahid remains optimistic, but he continues to make three big mistakes.
He admits that a lot needs to be done but remains optimistic about the future.
He's optimistic that Pan Am's name recognition overseas remains bankable.
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