The time-and-money crunch seemed to present an intractable problem until just recently.

WSJ: How to Be More Charitable

But rather than live the rich life and do lunch at Spago in Beverly Hills, Gordon, 34, has set out to fix an intractable problem.

FORBES: Magazine Article

Within the current American legal system, this is an intractable problem.

ECONOMIST: Science and the courts

The ruling is a powerful rebuke of the so-called cy pres doctrine, a legal theory that has sprung up, despite dubious academic credentials, to deal with an intractable problem with class actions: Unclaimed funds.

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Are food deserts an intractable problem?

ECONOMIST: Letters

Mr Bell said that in those circumstances, raising pupils' attainment could seem "an almost intractable problem".

BBC: Teachers 'must do better still'

That suggests France is perilously perched on the cusp between being part of the solution to the eurozone's financial woes and becoming an intractable part of the problem: neurotic investors fear that the French government's balance sheet and French banks may not be strong enough to underwrite the size of bailouts that could turn out to be necessary for Italy and Spain.

BBC: Be scared when investors throw money at Germany

The industry already had a work load compression problem but making the default entity choice an S corporation with a December year end made the problem intractable.

FORBES: I Grew Up With The Internal Revenue Code of 1986 - Will We Retire Together ?

Many members of Congress hailed the program as an inspired solution to what had been a seemingly intractable national problem.

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