I think this comment is especially interesting, given that the Administration is trying very hard to tamp down worries about Iran's nuclear program by pointing repeatedly to technical troubles they say Iranian scientists are experiencing:

To allay fears about Iran's progress, the administration is claiming that it could take Tehran as much as a year to raise its low-enriched uranium to weapon-grade. The International Atomic Energy Agency (IAEA), while acknowledging that it could, indeed, take this long, says also that it could take as little as three months. Theoretical calculations based on Iran's known capacity support the IAEA's lower figure. There is also the risk that Iran has one or more secret centrifuge sites (it was caught building one recently). If even one such site exists, the administration's estimate -- based on the sites that we know exist -- becomes meaningless.

But why quibble about how long the final phase of bomb making might take? Instead, we should keep our eyes on the big fact here, which is that Iran is fast approaching the status of a "virtual" nuclear weapon state -- one with the ability to kick out UN inspectors and build a handful of nuclear warheads. This is not an argument for bombing Iran, by Israel or anyone else. But it is a warning -- a warning that we must confront the growth of Iran's nuclear capability, and not be lulled into imagining that it's not real.

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