But the conflict is particularly acute when the subjects of the research are vulnerable for instance, if they are mentally ill and confused, if they are poor or homeless and in need of money, or if they are seriously ill and desperate for any sort of help.
Working alongside our French colleagues, we will continue to offer support and humanitarian assistance to those who genuinely need it, but if people are not in need of protection we expect them to return home.
But the last thing families need if they are financially stretched is a barrage of bills for unforeseen repairs.
It also gives children who may lack any support at home the firm structures that they need if they are to learn in school.
In Michigan, supporters of school choice have collected far more than the 302, 711 signatures they need if they are to put a school-choice initiative on the ballot.
These are designed to appeal to those who are unsure if they really need a mobile phone and are thus reluctant to commit themselves.
Audits are vital to investors, who need trustworthy accounts if they are to allocate capital efficiently.
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These are the types of initiatives we need to spur if we are going to move the needle forward in the US clean energy economy.
The VVD and CDA are obvious bedfellows, but they will need further support if they are to govern.
These are the first ideas that politicians and the public need to grasp if they are to think intelligently about public policy, and the fact is that they are not widely understood.
But this report highlights that one of the most important things we need to do if more children are to have the chance that they need, when they need it, is to get the court process right.
"It's not entirely clear if Chelsea is for sale, but regardless of that, we first need to see if we are in a position to buy it, " Al Fahim told Arabian Business.com.
The studies warn that even if radical solutions are found to reduce emissions from this sector, governments will still need to tackle housing and transport if they are to make the cuts deemed necessary by the Intergovernmental Panel on Climate Change to have a good chance of staving off serious climate change.
"If you are the talent, you need to demand what you are worth, " he says.
Administration officials announced initiatives yesterday to help advanced biofuels get off the ground, but they are going to need those and many more if they are going to compete with corn.
"You need to be really strong creatively if you are going to break down a very organised side or you need a bit of luck, " said Dalglish.
" Those old engines are repaired if need be, he says, but never "powered up.
If shareholders are happy they need to increase the benefits and compensation packages of their employees.
This is something we need to change if we are to restore the vitality of the U.S. economy.
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One is that the central Europeans need deeper reforms if they are to stay ahead as their labour costs rise.
But patients need objective information if they are to take charge of their medical destinies and, incidentally, improve the country's health care with it.
ECONOMIST: Doctor, am I going to die? And other important questions
And the sport's governing body chose to take the cash up front, meaning they will need more funding if they are to carry on until the Games.
Any right minded follower of finance can see that the Portuguese, plus the Greeks and Irish will need more help if they are to avoid a default.
And if there are things that need to be done in the coming hours and days to keep them safer, be in no doubt we will do them.
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Plus, the benefits, if you eventually need them, are tax-free.
FORBES: Uncle Sam Can Help You Pay For Long-Term Care Insurance
But people may need additional protection if they are traveling to high-risk countries, handle poliovirus specimens in a laboratory or have close contact with a person who has polio.
While the homes Pulte is building are some of the least expensive in Latin America, buyers still, he says, need a mortgage if they are to afford them on a worker's wage.
The assumption is that all 45 Democrats will vote for the McCain-Feingold bill along with three or four Republicans, which leaves the reformers with a lot to do (for example, they need 60 votes if they are to avoid a filibuster).
Spain may have reached a World Cup semi-final for the first time - their fourth place in 1950 was after a round-robin stage - but they will surely need to improve if they are to defeat in-form Germany in Durban on Wednesday.
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