Vice President Kamala Harris and former President Donald Trump both spent the day campaigning in the battleground state of Michigan. Harris spoke about Trump's alleged exhaustion, while Trump again suggested this morning that Abraham Lincoln should have cut a deal to “settle” the Civil War. Plus, Elon Musk campaigns for Trump near Philadelphia. CNN's Sunlen Serfaty looks at why the tech billionaire decided to dive into politics now. Learn more about your ad choices. Visit podcastchoices.com/adchoices