NASA's Don Pettit, two cosmonaut crewmates, wrap up seven-month space station visit

NASA's Don Pettit, two cosmonaut crewmates, wrap up seven-month space station visit
Bill Harwood has been covering the U.S. space program since 1984. NASA's oldest active astronaut, Don Pettit, returned to Earth after a 220-day mission. ISS faces challenges like air leaks and funding issues, with plans to deorbit in 2030.