With oil around $100 a barrel, drivers wince whenever they pull into the gas station and businesses watch their bottom lines shrink. Watch out, say doomsayers, it will only get worse as oil dries up. It's a plausible argument, especially considering the rate at which countries like China and India are now sucking up oil. Even more troubling, the world's largest oil fields sit in geopolitical hotspots like Iran and Iraq. Some believe their nations need to secure remaining supplies using military force, while others consider dwindling supplies a blessing that will help solve the problem of...

With oil around $100 a barrel, drivers wince whenever they pull into the gas station and businesses watch their bottom lines shrink. Watch out, say doomsayers, it will only get worse as oil dries up. It's a plausible argument, especially considering the rate at which countries like China and India are now sucking up oil. Even more troubling, the world's largest oil fields sit in geopolitical hotspots like Iran and Iraq. Some believe their nations need to secure remaining supplies using military force, while others consider dwindling supplies a blessing that will help solve the problem of...