Retired NASA astronaut Mark Kelly, husband of wounded former Congresswoman Gabby Giffords, is running for the U.S. Senate seat in Arizona that was held by the late John McCain. Linda So reports.
TRANSCRIPT +
Retired NASA astronaut Mark Kelly, husband of wounded former Congresswoman Gabby Giffords, is running for the U.S. Senate seat in Arizona that was held by the late John McCain. Linda So reports.