President Trump and former Vice President Joe Biden will meet Tuesday night in Cleveland for the first of three presidential debates. Michael McDonald, who runs the U.S. Elections Project at the University of Florida, says almost 1,000,000 people have already voted in this year's election.NPR national political correspondent Mara Liasson previews the debate, and political correspondent Scott Detrow looks at what to expect from Joe Biden based on his performance in past debates. In participating regions, you'll also hear a local news segment that will help you make sense of what's going on in your community.We're working on an upcoming episode about pandemic precautions and we want to hear from you. Fill out the form on this page and we may follow up on your response. Email us at considerthis@npr.org.