I believe this is the clip you're talking about is with Sir David King, on a 'Recycle nuclear fuel for power' piece. (link @ end)
However, while Sir David King tries to be rational and explain the real situation, the interviewer is doing his best to guide him to saying the sensationalist bits. When the guiding fails, he just throws out the arguments himself.
Thankfully Sir David King was quite able to defend the rational corner!