I've no idea of the science, much less the pros and cons, but maybe some of you at a2k do. A childhood friend married a physicist who worked on fusion his whole career, dying maybe ten years ago; I'm guessing my friend is pleased at a breakthrough. Time to write my christmas cards at last... our communication is a little sloppy, once a year.
The article here:
http://www.theguardian.com/science/2014/feb/12/nuclear-fusion-breakthrough-green-energy-source
Nuclear fusion breakthrough raises hopes for ultimate green energy source
Scientists have moved a step closer to achieving sustainable nuclear fusion and almost limitless clean energy.
Ian Sample, science correspondent
theguardian.com, Wednesday 12 February 2014 13.00 EST
( 458 comments after the article)
The sun is powered by nuclear fusion, which smashes hydrogen nuclei together to make helium. Photograph: EPA/Corbis
An older article :
http://www.theguardian.com/science/2013/nov/10/explaining-nuclear-fusion-cheap-energy?INTCMP=ILCNETTXT3487
I haven't read it all yet myself, busy reading up on Sochi results.