Vice President JD Vance told reporters that "we have not reached an agreement" following face-to-face talks with Iranian leaders and Pakistani negotiators.
The Artemis II astronauts flew back to the Johnson Space Center in Houston Saturday to cheers and applause from family members and hundreds of NASA workers.
The Artemis II astronauts spoke following the successful completion of their mission. They splashed down on Friday night off the coast of San Diego. Retired Lieutenant Colonel David Mahan joins CBS News to discuss.
