7: Vice presidential debate, moderated by USA Today Washington Bureau chief Susan Page at the University of Utah in Salt Lake City. 15: Second presidential debate, moderated by C-SPAN host and political editor Steve Scully at the Adrienne Arsht Center for the Performing Arts in Miami. 22: Final presidential debate, moderated. Major cable networks including CNN, MSNBC, Fox Business, and others will stream the debate live on their websites. Just visit the website of your choice and click the live TV option. The first 2020 presidential debate between Donald Trump and Joe Biden begins at 9 p.m. Watch the debate live online above, or follow along with updates and analysis from our. Debate.org is a free online community where intelligent minds from around the world come to debate online and read the opinions of others. Research today’s most controversial debate topics and cast your vote on our opinion polls. Tonight’s presidential debate for the 2020 election starts at 9 p.m. There are many ways to watch the debate tonight live online, even if you don’t have cable, including multiple.