What’s On TV – BBC One Election Live Debate 7:30pm TONIGHT Posted by TBB | 31 May, 2017 | NEWS, Screen, Screen News, What's On, What's on Screen | Mishal Husain chairs the BBC Election Debate live from Cambridge, with seven senior party politicians debating the issues that count ahead of the 2017 general election. Watch the debate back after it airs via BBC iPlayer.