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 24:50 @Issue: Final push to convince undecided voters 4:11 Rep. Ayanna Pressley talks implication of Project 2025 policy in Mass. 24:47 @Issue: Early voting starts in Massachusetts 3:14 Decision 2024: A look at who's in each candidate's corner 3:12 Analysis: What are the Trump, Harris campaigns' closing arguments?