Houston skyline By Joel Kotkin More than a half century ago California passed New York to become America’s most populous state. It was not only first in population, but an industrial, agricultural, and technology behemoth that also provided most of the nation’s entertainment. Today that primacy is threatened as never before, most powerfully by Texas, whose pro-business policies, low taxes and growing technical skill are propelling its economy. People are voting with their feet. A view of the Golden Gate Bridge with the San Francisco skyline in the background. By 2050, for example, Texas is now slated to pass California in population, driven both by both immigration and domestic migration. Its economy is growing far faster, and it is now the headquarters of many former Californian companies. This year, for the first time, Texas passed California and New York as a headquarters for the nation’s largest companies. Even the establishmentarian Economist recently proclaimed the...