Slightly off-topic: Fusion power keeps being "50 years away" because nobody funds it. See this interview on Slashdot from 2012
http://hardware.slashdot.org/story/12/04/11/0435231/mit-fusi...
In particular note the funding graph in question 3.
http://hardware.slashdot.org/story/12/04/11/0435231/mit-fusi...
In particular note the funding graph in question 3.