Free Republic

<p>United Nations inspectors have found sophisticated uranium-enrichment machinery at an air force base outside Iran's capital, Tehran, U.S. and foreign sources with knowledge of the discovery say.</p> <p>The find at Doshen-Tappen air base appears to undermine Iran's claim it is not pursuing a nuclear bomb. The discovery may strengthen calls for action by the International Atomic Energy Agency, the U.N.'s nuclear watchdog.</p>