John Glenn Pushes for Mars 

Mike Wall at space.com:

“We’re accustomed to the new things and get used to them, and it’s hard to get excited about something new,” Glenn said today (Feb. 17) during a NASA event commemorating his orbital flight, citing the rapid march of technological innovation as a sort of numbing agent. “I’m sure if we establish bases someplace else, or if we make that flight to Mars, that’ll re-galvanize people again.”