In Geneva, the US says it will test the seriousness of Russia's plan to put Syria's chemical arsenal under international control. In the meantime, we look at how difficult that task will be — even if Vladimir Putin and Bashar al-Assad can be trusted to mean what they say. In the meantime, is the US arming Syrian rebels? Also, two years after nuclear plants exploded and melted down, Japan is struggling to clean up at Fukushima. We hear about the "ice wall" and other strategies.
Banner image: US Army Chemical Materials Agency