On air: Ongoing coverage of the disaster in Japan
This topic was discussed on 14th March 2011. Click here to listen.
On today's two editions of the programme (one for those of you in the States as your clocks have changed, another at the usual time for everyone else) we'll simply continue what we've done ever since Friday. BBC correspondents, experts on nuclear facilities, aid workers, and some of you affected by the disaster, will share experiences and answer some of the key questions being raised around the world. If you want to get in touch, post here, or on facebook, or on twitter.
The bbcnews.com live page is the best way to follow the story.