Peggy Whitson, most experienced U.S. astronaut, touts need for commercial spaceflight and private space stations
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America's most experienced astronaut says her fully commercial visit to the International Space Station this week is a critical stepping stone on the road to space tourism, private-sector orbital research and development of commercially operated space stations. In a space-to-ground interview with CBS News, retired NASA astronaut Peggy Whitson, veteran of three NASA flights with a U.S.-record 665 days in orbit and 10 spacewalks to her credit, compared the early days — and high costs — of commercial spaceflight with the dawn of commercial aviation when only the wealthy could afford to fly. Retired astronaut Peggy Whitson, commander of the second fully commercial flight to the International Space Station, chats with CBS News about the progress of her mission and its role in developing a private space station. Axiom Space "Back in the '30s, '40s...