Watch live coverage and analysis of the second presidential candidates’ debate.

ABC's chief global affairs correspondent and co-anchor of "This Week" Martha Raddatz and CNN anchor Anderson Cooper moderate the second debate at Washington University in St. Louis, Missouri. The PBS NEWSHOUR presents live coverage (90 minutes) of the presidential candidates’ debate followed by analysis (30 minutes), co-anchored by Gwen Ifill and Judy Woodruff, with David Brooks, Mark Shields and Amy Walter in studio and NEWSHOUR correspondent Lisa Desjardins on location.