The fourth and final debate in the Senate race between Sen. Scott Brown and Elizabeth Warren will take place on Oct. 30, from 7-8 p.m. at the WGBH studios in Brighton. CNN’s John King will moderate the debate, which will take place in front of a live audience.

The debate will be broadcast live here on and on WGBH 2. (*If you're having trouble seeing the livestream window on this page, please reload.)