The results of the recent special election in California's 48th Congressional District are a sober wakeup call to economic conservatives who believe in the free movement of goods, capital and labor. Self-appointed, vigilante immigration restrictionist Jim Gilchrist received a sizable 14.4 percent of the vote for Congress on a single-issue, immigrant bashing platform. Colorado Congressman Tom Tancredo, who endorsed Gilchrist, is trying, with some success, to raise immigrant-bashing to a top-tier issue in the 2008 elections. Anti-immigration sentiment is one symptom of a larger neo-Mercantilist disease that is also threatening the globalization of trade and capital flows. Unless true free-market...