The president testified he is not sure if he knew the subpoena asked for gifts.
Mike McStay says he is not sure if the family is on the video.
Meanwhile, Iron goalkeeper Joe Murphy has admitted he is not sure if he will still be at the club next season.
Although he is not sure his tweeting tipped off the burglars, he says he will be more careful in the future about what he shares online.
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He said he is not sure if he'll play in Game 1 at Brooklyn on Saturday, and coach Tom Thibodeau called him day to day for the series.
Jha also predicted that while Android, iOS and Windows 7 look to be the main OS contenders for the future, he is not sure that all three will survive.
Dosoretz says he is not sure which of these doctors refer patients to his centers but says if they do, their premiums are at a fair market rate and thus not an illegal inducement.
Here is one of the most powerful and toughest businessmen in the country, a guy who just got out of the hospital from back surgery, saying no mas because the sale process got noisy and he is not sure why his most important employee (who was absent from the conference call) at AEG is bolting?
Colucci says that the data were taken after five days, not 30, as Topol asserts, and that he is still not sure they are relevant.
Yet he is still not sure what this means for the French Open.
Davison said he is not entirely sure how he will monetize his creation.
Henry Hertzfeld, a space analyst at George Washington University's Space Policy Institute, said he is not so sure the U.N.
Thaxton has made no secret of his desire to test himself against Khan before he retires, but he admits he is still not sure if it will ever happen.
He has no idea what terrible fate awaits him if he is discovered, but he is sure that they will not let him leave the town alive.
But if he does win, he is sure he will not run for another term in 2004.
But the mayor says he still needs emergency credit to stay afloat, and he is sure Moratalla is not the only town in trouble.
President Bush said last week bin Laden "may have tried to slither out into neighboring Pakistan, " but Pakistan President Pervez Musharraf said he is "reasonably sure" bin Laden is not in his country.
Mr Barak says he is sure it does not, and the opinion polls seem to support him.
He may not be sure about his age, but he is clear about the reasons that bring him to Allahabad and Sangam every Kumbh Mela.
"We can't begin to grieve until we know for sure that he is not alive, " he added.
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Gonzalez is not sure how he'll use his bullpen for the completion of the first suspended game in Mets history.
The only thing I know for sure is that he will not play against Wigan on Saturday.
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Carnival's contract prohibits a class action suit, but Hickey said he's not sure whether it is legally enforceable.
Shaw now says that after some reflection, he's not absolutely sure it is.
While his 26-year-old opponent, who has lost just one of his 33 paid bouts, maintains he will not be rattled by what is sure to be a fierce reception, Cook reckons otherwise.
He's not sure what he's going to do next but feels he is being called to do advocacy work for this particular disease.
Mr Smith has been called out to nine incidents but has not yet attended a house fire and said he's "not too sure" how his own experiences will affect him when he is called to one.
But Mr Geithner will not ask for it until he is sure he needs it.
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