The presidential debate tonight will broadcasted on YouTube live streaming free, with coverage starting at 8 p.m. EST. Hosted at University of Denver, this is the first of three debates between President Obama and Governor Romney, which gets under way at 9 p.m. EST.

POLL: Tell us who you think won the first debate between Obama vs. Romney.

The debate is moderated by Jim Lehrer, PBS NewsHour, and will focus primarily on domestic issues. There will be six segments of 15 minutes each, each on a specific topic selected by the Lehrer. Each segment starts with a question, and each candidate will have 2 minutes to answer. The remaining time will be used for discussion. Lehrer has already announced the topics for the six segments: economy, economy, economy, health care, the role of government and governing.

NBC, ABC, CBS, Fox, PBS, CNN, CNBC, Fox News, MSNBC, C-SPAN, and Univision will also be broadcasting the presidential debate live on TV.

Here is a link to YouTube's politics page.

Watch ABC & Yahoo's live streaming of the presidential debate here.

On October 11, Vice President Joe Biden will have his only debate with Representative Paul Ryan at Centre College in Danvilly, Kentucky. Martha Raddatz from ABC news will serve as moderator.

Obama and Romney will again face off on October 16 at Hofstra University in Hempstead, NY and October 22 at Lynn University in Boca Raton, Fla.