Russian Prime Minister Vladimir Putin (c.) meets with a family in the village of Tugnui during his visit to the Siberian republic of Buryatia.
More nuclear material remains at the former Soviet nuclear test site in Kazakhstan, but collaboration between the US and Russia has locked down most of it.
The Associated Press admits that a graph purporting to show that Iran has run computer simulations for a nuclear weapon is scientifically flawed. This raises serious questions about the quality of other 'evidence' against Iran's nuclear program. Here's a way to proceed.