Norway is salting away a big chunk of its oil income in a State Petroleum Fund to help pay the pensions of its ageing population when oil and gas production tailsoff.
The other two methods rely on specially shaped laser beams - instead of a beam whose intensity peaks at its centre and tailsoff gradually, the team is investigating two alternatives: solenoid beams and Bessel beams.
George Bush had an army of evangelicals working for him in 2004. and the question is, even if people will hold their nose and vote for John McCain - if there are conservatives, how many of them will come out and man the phone banks and actually work their tailsoff for him.