Ted Cruz questions NASA's 'earth science'
04:41Senator Ted Cruz says "NASA's core competence is not Texas soil conservation." Astronomer Derrick Pitts joins to discuss NASA's latest missions and the agency's key role in studying climate change.
Senator Ted Cruz says "NASA's core competence is not Texas soil conservation." Astronomer Derrick Pitts joins to discuss NASA's latest missions and the agency's key role in studying climate change.