As any one who has pulled up to a gas pump knows, the unrest in the Middle East has translated to a rise in fuel prices. There are worries that an extended price hike could kick-start another global recession. Antonia Juhasz, director of the Energy Program at Global Exchange, helps us sort out the reasons for the energy market’s fluctuation. She’s author of The Tyranny of Oil: the World’s Most Powerful Industry, and What We Must Do To Stop It. Her new book, out next month, is Black Tide: The Devastating Impact of the Gulf Oil Spill.