Arizona July 22, 2024 3:53 pm 5 things to know about Mark Kelly Here are five things to know about the former astronaut and Arizona senator. US & World Videos 1:37 Low public approval for some Trump Cabinet picks, poll finds 24:40 @Issue: How Mayor Wu is planning for incoming Trump administration 2:51 Analysis | Why is Trump still backing Pete Hegseth for defense secretary? 4:01 Analysis | What problems can Musk, Ramaswamy face with new DOGE effort? 3:06 Analysis | What's going on in South Korea, and can Americans learn from it?