mr. putin, uses the oil revenues that the kids to try to thwart the united states and europe your there is venezuela what its leader, president chavez, is the leading anti-american voice in the western hemisphere. and the last but certainly not least, there's saudi arabia. saudi arabia is little different than these other countries. saudi arabia is actually an ally of the united states. but it's also true that some of the revenues from oil that included saudi arabia find their way into the hands of terrorist groups, including this group that attacked the united states on september 11, 2001. .. >> begins with the united states because we're the largest consumer. ask the way to consume less oil is to have a much higher gasoline tax. if we all pay more for gasoline, we'll all use less, and it will also produce substitution, alternative sources of energy to oil will become commercially viable, and over time the world can wean itself from oil. if we get the price of gasoline high enough then, say, lek call-powered cars become commercially attractive, and when they do, lots of private money will flow, and the development of ever more powe