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 1:24 How your state's minimum wage stacks up… with Oreos 4:13 Walz, Vance make their case to voters ahead of Nov. 5 election 2:38 Walz makes case for federal family leave to support young families 2:34 Vance defends Trump's ‘concept of a plan' for revitalizing American health care 2:31 Vance calls for more security to curb school shootings