The do-something philosophy of international economics, which has held sway for 58 years, says that free markets are too scary for international trade and must be countered with interventions, bailouts and capital controls.

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From the beginning, Khosla Ventures has had an investing strategy around main tech, not around the conventional interpretation of clean tech representing our philosophy of supporting a broader set of clean tech technologies that have main tech economics.

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But in a book about the delusions of capitalism Mr Gray must sometimes descend from the heights of political philosophy to say bad things about economics.

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And Bush Senior was in the unenviable position of cleaning up a mess left by his predecessor, Ronald Reagan, who espoused an economic philosophy of tax cuts and increased defense spending that Bush Senior dubbed Voodoo Economics when he was running for the presidency against Reagan in 1980.

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In the 19th century, economics was a pastime of inquisitive gentlemen, a branch of philosophy.

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In fact, having served on the Kemp Commission on Economic Growth and Tax Reform he almost certainly is more knowledgeable about the economics of taxation and more principled in his pro-growth, small-government philosophy than any other Republican presidential candidate in the race, save Ron Paul.

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