Some worry that Mr Mack, now chairman, will meddle, creating tension at the top.
Some worry that increasing the penalties for illegal gun carrying will add to prison overcrowding.
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Such activity may force change eventually, but some worry that progress already made is being undermined.
Some worry that the latest funding requests will test Denver's tolerance for new taxes.
Some worry that applying for Medicaid or other benefits might disrupt their citizenship applications, she said.
Some worry that the rule of law, one of India's great strengths, is being eroded.
Worse, some worry that stakeholder pensions will not suit those for whom it is intended.
Some worry that the precedent set by Europe might cause others to adopt the rules piecemeal.
Some worry that, even if Mr Sharif wants a way out, the army may block it.
Meanwhile, some worry that Lilly's current sales leader, Zyprexa, can't hold off new competition in the schizophrenia market.
And some worry that more and more of these raids could jeopardize that.
Some worry that graduates would rush to declare bankruptcy, handing losses to taxpayers.
As a result, some worry that Japan's 18-month recovery is now in jeopardy.
Some worry that her relations with Congress have become so dire that her own Trinamool party may leave the coalition.
If it expires with no successor lined up, some worry that global efforts to curb greenhouse gas emissions will fall apart.
Some worry that Facebook will end up more like Myspace than IBM.
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But some worry that if the gates are now closed, even briefly, the balance will be upset again and the lagoon will stagnate.
Some worry that there will be unintended consequences, no matter how carefully data are adjusted to account for differences among the patients treated.
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While some worry that the Syrian opposition is entirely anti-American and made up of radicals, the reality is that Islamist forces remain in the minority.
Some worry that without better oversight that will lead to abuses.
Some worry that this broader agenda emphasises lower and unfunded priorities.
Moreover, another leftist candidate is leading the race for the Mexican presidency, making some worry that Mexico's nearly 15 billion barrels may end up similarly threatened.
In terms of access, some worry that as banking moves further online, the old, the poor and the computer-illiterate will be excluded from the financial system.
The moves have been welcomed by new programs seeking to build credibility and compete with established schools, though some worry that the credential has lost its value.
That makes the provision somewhat controversial not only in totalitarian states but also in democracies, including the United States, where some worry that it limits parental rights.
Some worry that under Mr Esteves, who made his name as a star trader, the firm's centre of gravity might shift towards trading rather than client-driven business.
Some worry that the property bubble will soon burst.
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Some worry that this sorry history may repeat itself.
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Some worry that such spending empowers special interests.
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