Now, there is one way you could drop the top rate to 25% (or perhaps 28%) and maintain progressivity, but it requires a step Ryan appears to have no appetite for: taxing long-term capital gains and qualified dividends as ordinary income.

FORBES: Tax Aspects Of Paul Ryan's FY 2014 Republican Budget Proposal

Although new CAFE standards should encourage the shift away from the thirstiest models, trucks still get off too lightly and the administration seems to have no appetite for the one thing that would radically change buying habits: a big increase in petrol taxes or a more widely applied tax on carbon.

ECONOMIST: The bankruptcy of General Motors

And foreign investors, recalling Ecuador's default on its foreign bonds in 1999, have no appetite to lend.

ECONOMIST: How not to please the IMF

Not only is government uniquely bad at funding the sorts of outlays that minimize suffering the sensitivity to suffering, and the appetite for its minimization, seems to have no limit in democratic times.

FORBES: The Root Of Our Fiscal Woes

No one would have had the appetite to compete and therefore the passion and excitement of the whole competition would have been lost.

BBC: Ryder Cup delay made with heavy heart

Some Kashmiris darkly hint of picking up guns again, but the local leaders have no appetite for large-scale violence, fearful of a return to the carnage of the 1990s when thousands died each year.

ECONOMIST: Kashmir's troubles

This time, however, the Fed has no appetite for raising rates and U.S. and European officials have every reason to embrace inflation.

FORBES: This Time, Inflation Will Be Good For Stocks