The first national debate between President Barack Obama and Republican nominee Mitt Romney airs live tonight from 6 p.m. to 7:30 p.m.

The debate on domestic policy issues will air on basic television channels CBS, C-SPAN, Fox, NBC and ABC.  CNN, Fox News and MSNBC on cable networks will broadcast the debate while YouTube and Xbox Live will air a live stream.

Domestic policy issues at the debate will include the economy, healthcare and each nominee’s role as a leader. As of Oct. 1, Obama leads by 6 percentage points (50 to 44) over Romney, according to a Gallup poll.

The debate will be held at the University of Denver in Colorado with Jim Lehrer, host of “NewsHour” on PBS, as moderator. Each speaker will be allowed 15 minutes to speak on each topic.

The next debate will be on Oct. 11 on foreign and domestic policy issues between Vice President Joe Biden and Republican Vice Presidential nominee Paul Ryan.