Paul Krugman Credit: Businessweek

Paul Krugman
Credit: Businessweek

Scott Walker, the governor of Wisconsin, is said to be a rising contender for the Republican presidential nomination. So, on Wednesday, he did what, these days, any ambitious Republican must, and pledged allegiance to charlatans and cranks.

For those unfamiliar with the phrase, “charlatans and cranks” is associated with N. Gregory Mankiw, a professor at Harvard who served for a time as George W. Bush’s chief economic adviser. In the first edition of his best-selling economics textbook, Mr. Mankiw used those words to ridicule “supply-siders” who promised that tax cuts would have such magic effects on the economy that deficits would go down, not up.

But, on Wednesday, Mr. Walker, in what was clearly a rite of passage into serious candidacy, spoke at a dinner at Manhattan’s “21” Club hosted by the three most prominent supply-siders: Art Laffer (he of the curve); Larry Kudlow of CNBC; and Stephen Moore, chief economist of the Heritage Foundation. Politico pointed out that Rick Perry, the former governor […]

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