Tune In: First Presidential Debate on Oct. 3

Don't miss it when Barack Obama and Mitt Romney square off at the first presidential debate on Wednesday.

PBS News Hour's Jim Lehrer will moderate the rumble, starting at 9 p.m. ET at the University of Denver. And for the first time in history, the candidates were given the topics ahead of time: Three questions will be on the economy, one on health care, one on the role of government and one on governing.

Will the GOP contender reiterate his disdain for workers? Will President Obama stand up for collective bargaining rights? Tune in to find out.