MILAN, Italy (Reuters) - Controversial U.S. author Gore Vidal said Tuesday President Bush (news - web sites) organized last year's invasion of Afghanistan (news - web sites) to gain control of nearby oil and natural gas resources rather than to fight terror. Reuters Photo "We know what they want. They want Caspian oil," the outspoken writer told Reuters in a telephone interview from Rome. "Every important player in the administration is from the oil and gas business, mostly Texas." The Bush administration led a coalition last year that toppled Afghanistan's ruling Taliban movement, which Washington said harbored militants responsible for...