Once a separate nation, Texas has recently been behaving more like an independent economic republic than a regular state. While it hasn't been immune to the problems plaguing the nation, the Texas housing market, employment rate, and overall economic growth are relatively strong. Chalk some of this up to accidents of geology and geography. But Texan prosperity also reflects the conscious efforts of a once-parochial place to embrace globalization. On several measures of economic stress, Texas is doing quite well. The state unemployment rate is 8.2 percent—high, but still one many states would envy. (California's is 12.5 percent; Michigan's is...