Iran paints a bullseye on its uranium supply

The New York Times' David Sanger has picked up on a line in the IAEA report that came as as surprise: Iran has moved its entire known supply of low-enriched uranium to an above-ground outdoor facility. It's practically painted a bullseye on it, begging to be attacked. Why did they do it? Here's Sanger. The strangest of the speculations — but the one that is being talked about most — is that