The present government has tried to improve the economy, and the economic indicators are positive.

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For the next 6 years, Adobe tried to improve things, leading only to an increased sense of confusion among the userbase.

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GM, Ford and Chrysler tried to improve: by 2006 they had almost caught up with Japanese standards of efficiency and even quality.

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But in their haste they failed to distinguish between employees' right to organise, which badly needed strengthening, and their living standards, which they also tried to improve through legislation.

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More recently, the federal government, along with Delaware and New Jersey, tried to improve the wild-shellfish habitat by dropping millions of clam shells into the bay, which helps oysters mature by giving the larvae something to attach to.

WSJ: Planting Seeds for a Better Oyster Harvest

Many airlines have tried to improve availability, realizing that awards miles bring in billions of dollars, and that a reputation for being stingy with miles can risk losing customers, according to the Wall Street Journal, which published a story outlining the changes in the survey numbers.

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PRI, when speaker of the Chamber of Deputies last year Ms Paredes tried unsuccessfully to improve relations with Mr Fox's government.

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The NFL has always tried to look ahead, to innovate, and to constantly improve in all we do.

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They have all tried to keep the temperature of the contest under control, to improve the chances of uniting the party after it.

ECONOMIST: Don��t be vague