For years we've heard the steady drumbeat of news stories about Iran's secret nuclear plans. What possible reason could Iran have had for working in secrecy? Simply put, writes Sheldon Richman, from the 1980s onward the U.S. government was determined to thwart Iran's efforts to build even modest a civilian nuclear program. Why? Iran was regarded as an enemy of America because its 1979 Islamic revolution had overthrown a loyal U.S. client, the repressive shah of Iran, whom the CIA had undemocratically restored to power a quarter century earlier.