Last week I made the open-and-shut case for John McCain: In a dangerous world entering an era of uncontrolled nuclear proliferation, the choice between the most prepared foreign-policy candidate in memory vs. a novice with zero experience and the wobbliest one-world instincts is not a close call. But it’s all about economics and kitchen-table issues, we are told. OK. Start with economics. Neither candidate has particularly deep economic knowledge or finely honed economic instincts. Neither has any clear idea exactly what to do in the current financial meltdown. Hell, neither does anyone else, including the best economic minds in the...