It's not about enjoying self discipline -- it's about adopting a few new ways of thinking that simply make discipline easier to endure.

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Despite Oppenheimer's iron discipline, in the Sarbanes-Oxley era it's almost impossible not to drop some broad hints when big changes are coming.

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Jones has played his crankiness for comic effect often enough over the years, but director David Frankel ("The Devil Wears Prada") keeps the actors rooted in naturalism, not caricature, and it's exciting to see Jones respond with a performance of discipline and subtlety.

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