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Keith's attempt to disregard my opinion because I'm in Argentina ... well, I'll let that pass ... but not without wonder where "yakyak" is trolling from, then.
Sure, the guy was an astronaut, you're gonna do astrobiology experiments, and I don´t think getting to Everest's summit is a mere tourist thing as yakyak suggests, but all this looks just like a sponsorship opportunity: Scott gets to finance his journey, you get the deal with Discovery Channel.
Your account name is yourname@imserver. yakyak.com.