Economist.com | Iran's nuclear intentions: "Iran's claim that its nuclear pursuits are entirely peaceful has never rung true. If it had nothing to hide, why break its safeguards agreement with the IAEA by covering up past imports and experiments with natural uranium? Why experiment with uranium metal which has no legitimate use in the nuclear reactors Iran claims to want for power generation, but is handy for illicit bomb building? Why claim its uranium-enrichment programme got going only in the 1990s, when it started a decade earlier? Why tell the IAEA that it designed and built all its own enrichment equipment, when it had imported centrifuge designs and machines from abroad? That admission came only when inspectors found tell-tale traces of highly-enriched uranium at two locations, including an enrichment plant under construction and now partially in operation at Natanz. Caught red-handed, Iran blamed contaminated imports. "