Whatever you think of President Trump’s decision to recognize Jerusalem as Israel’s capital, it points to the most important strategic reality in the Middle East: Arab power has collapsed in the face of low oil prices and competition from American frackers. The devastating oil-price shocks of the 1970s, orchestrated by the Organization of the Petroleum Exporting Countries, nearly wrecked the world economy. Ever since, the U.S. has looked for ways to break OPEC’s parasitic and rent-seeking grip on the oil market—and thereby to reduce America’s geopolitical vulnerability to events in the Middle East. Victory did not come easily. Intense conservation efforts made the U.S. much more energy-efficient. New oil discoveries in Africa and elsewhere significantly broadened the available supply. Renewable energy sources added to the diversification. But the most decisive development was that decades of public and private research and investment unleashed an American oil-and-gas boom, leading to a […]