The U.S. administration is divided on North Korea, not only because its partners in East Asia have all but ruled out the first option, but because it is not sure what Pyongyang wants.
But although the OFT has deep concerns about the stranglehold of the Big Four accounting firms over the business of auditing big companies, it is not quite sure what the remedies might be.
The government said it is carrying out research but is not sure the answer is a cap on payday loan interest rates.
But while pax Angola may have western blessing, it is causing disquiet in a region that is not at all sure that it wants an Angolan superpower.
It is not easy to make sure that young people behave the way their elders say they wish they would.
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Did we achieve our central goal, and have we been able I think to shape a strong relationship with a responsible Afghan government that is willing to cooperate with us to make sure that it is not a launching pad for future attacks against the United States?
WHITEHOUSE: President Obama and President Karzai Hold a Press Conference | The White House
Socrates may have believed that an unexamined life is not worth living, but it sure is the norm.
"It is 99%, if not 100%, sure that Mossad is standing behind the murder, " Dubai police chief General Dahi Khalfan is quoted as saying by an Abu Dhabi-based English-language paper.
Also, I am not sure it is ready for use with complicated applications like, for example, Photoshop.
Mr Barak says he is sure it does not, and the opinion polls seem to support him.
It might not be a recession, but it sure is starting to look like one, especially in Europe.
"But we have taken steps with our new maintenance organisation under new Veritair to make sure it is not going to happen again, " he said.
While a work-around solution to uploading Gmail contacts might be a cheeky response to Google, Mr Davis is not sure it will wash with all Facebook users.
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If there is any justice in a game, and I am not sure there is, it would have seemed unjust if we had have lost after our captain played the best innings of his life.
Look, gas is certainly far cheaper than it was -- is far cheaper now than it was last summer, but -- I'm not entirely sure that Hummer is such a bad example when you had a very specialized, luxury SUV that GM is looking to sell.
To be sure, it is not a perfect strategy, at least for bargain hunting consumers.
FORBES: Face It Target, You Are No Amazon (And Shouldn't Try to Be)
Carnival's contract prohibits a class action suit, but Hickey said he's not sure whether it is legally enforceable.
But a lot of people who are on Medicaid are not sure what it is, particularly young people.
Shaw now says that after some reflection, he's not absolutely sure it is.
It is not a given, but it is up to them to make sure they gain the expected edge at scrum time.
She says Ameren is not sure if it will continue with a commercial BPL rollout if it fails to secure a partner.
"I'm not sure if it is possible to climb all three of these monsters in one go, " he said from Everest Base Camp.
"I'm not sure that it is correct to say that medical problems were the direct cause of all of these bankruptcies, " he says.
CNN: Medical bills prompt more than 60 percent of U.S. bankruptcies
The United States is about halfway through the typical 12-week flu season, Frieden said, but the agency is not sure when it will peak.
But the other part of it is it's not just making sure your kids are doing their homework, it's also instilling a thirst for knowledge and excellence.
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