On pensions, the solution is clear if unpopular: people will need to work longer.
In a step towards the transition, Afghanistan and the U.S. have reached a deal to curb night raids on Afghan homes, giving Kabul a veto over the operations, which are unpopular with local people.
In the delta, General Obasanjo is unpopular, because people remember his 1979 land-use law which gave all mineral rights to the state and, in their eyes, deprived them of revenue from the oil beneath their farms.
The reason David Cameron made his definitive pledge to oppose a third runway and the reason every major political party has recently opposed it is that airport noise is extraordinarily unpopular, affects people across dozens of constituencies and pledges to halt it can turn elections.
In other words, Yeltsin agreed to get rid of Chubais, because he was so unpopular with so many people.
The new austerity measure are very unpopular with the Greek people.
Immigration is unpopular in rich countries because people overestimate its costs and underestimate its benefits.
The biggest difference from the unpopular Hillarycare idea is that people who are happy with their employer-provided insurance can keep it.
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He has also criticised government budgetary restraints he felt penalised the socially challenged, defended his stance against the introduction of women bishops and called for restraint in the criticism of the unpopular Blackburn Rovers manager Steve Kean, reminding people there is "a human being in the middle of all this".
Yet in continental Europe, it is hard to increase profitability by cutting costs because sacking people is expensive, time-consuming and unpopular.
Imposing rules of any sort is unpopular with county auditors, polling officers and the other people who rule the roost in the current system.
But many people would agree that the night raids are deeply unpopular, our correspondent says.
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Changes that mean people could have to travel further for treatment are proving unpopular in some quarters.
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Tactics include avoiding the hiring of rabble-rousers (something Wal-Mart is accused of) and dividing people into teams, which bolsters morale and makes complainers unpopular.
In the past, the company has taken for granted that people would continue to use the service, pushing forward unpopular features and privacy settings.
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She also covers how to track and plan your spending- topics that may be unpopular, as I well know from my years of working with people.
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But people tend to think they are dangerous too, so that would be unpopular.
Nearly 500 people said they did not want to hear it as it was "unpopular" and "outdated".
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All of this will prove that the more people learn about what is actually in the health overhaul law, the more unpopular it will become.
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The problem with setting a higher compulsory level of saving is that it would be unpopular - many would see it as a tax - and inappropriate for certain categories of people.
"A decision may be unpopular but ultimately the state has to act responsibly in a grown-up fashion to protect all people sometimes from risks that they wish to impose upon themselves, " Mr Needham added.
Sometimes the unpopular opinion isn't one that you believe in, but it's the one that gets people thinking.
It is deeply unpopular, no political party can possibly advocate it, and none did in the election, including the Pakistan People's Party.
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