INTERVIEWS WITH AUSTRONAUT DR. PEGGY WHITSON
Peggy Whitson, American with most time in space, set to return to ISS
Astronaut Peggy Whitson has come out of retirement and is scheduled to fly to the International Space Station for a privately funded mission. Whitson was the first female commander of the ISS and has spent more time in space than any other American. NBC News’ Kate Snow spoke to her about her out-of-this-world career.