If these deals pass the four tests, they could boost the fortunes of their acquirers.

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If Iraq failed to pass these final tests, America would argue that Saddam had well and truly blown his last chance.

ECONOMIST: What now?

And they have to pass all these tests first.

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The advocates of repeal believe that they can pass most of these tests.

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Normally, such tests would be only the earliest stages of getting a drug approved, and most medicines that pass these hurdles eventually fail in late-stage clinical trials.

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