He has often defied his own party in pursuit of centrist policies, such as banning torture, welcoming immigrants and tackling climate change.

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And even when Pemex's budget has been generous, the money has often been spent on projects with a short-term payback, such as boosting production from old fields.

ECONOMIST: The oil industry

Too often in the past, as at the Reykjavik summit, such an approach has proven to be a highly risky one for U.S. interests.

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Mr Clinton has often asked Mr Jordan to carry out delicate (but unscandalous) tasks, such as sounding out Colin Powell for a job in his cabinet.

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Often, France has taken a lead role in recent crises, prompting criticism from countries such as South Africa about Western powers favoring military over diplomatic solutions.

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"The study also reinforces what has been identified by previous research, that stress at work is often associated with unhealthy behaviours such as smoking, lack of exercise and a poor diet - all which can impact on heart health, " said June Davison.

BBC: Stress seems to produce biochemical changes

Reporters or columnists working on controversial topics have often gone through spokesmen, but quick and easy access has generally been granted to writers working on topics such as hunting and fishing.

WSJ: NY's outdoors writers chafe at information squeeze

This change has occurred as Western influence has steadily declined, the result of inconsistent and often times ineffective policies related to important African concerns, such as poverty, disease, corruption and infrastructure development.

CENTERFORSECURITYPOLICY: An African "Marshall Plan"

So far she has found work for 1, 200 people, often women, doing simple computer-based tasks for such companies as LinkedIn, Google and Intuit.

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