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 3:57 As Zelenskyy addresses UN, what would a Harris presidency mean for war in Ukraine? 4:31 Will the Mark Robinson scandal impact the 2024 race? 5:03 Analyzing the issues of gun regulations and political violence 3:13 Slowest mail happens to be in key swing states 0:44 Kamala Harris to Oprah: ‘If somebody breaks into my house, they're getting shot'