Not true. Read “The Case for Mars” by Bob Zubrin.
excellent book. going to mars in a “tuna can.” we already spend too much money on the environment, welfare, foreign aid, and education.
liberalism delenda est.
Kinda of interesting to see that NASA suddenly says there is no methane on Mars
http://www.wired.com/wiredscience/2012/11/no-methane-curiosity/
and now Baumgartner says we don’t need to go to Mars.