A couple more pieces on Mitt Romney's foreign policy mistake from Jacob Heilbrunn and Joe Cirincione.
The Armchair Generalist goes into more detail than I did on the latest call for war against Iran.
The science of the BP Blowout.
This report (pdf) seems to be the basis for this NYT article on plutonium. I have a gazillion questions. More to come. (h/t to SA.)