Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The by-election campaign is regarded by many former SDP members, including Bill Rodgers, as having been one that destroyed the SDP's momentum. Tony Cook, a local television celebrity, was the candidate and appeared to know very little about public issues and made a poor impression. At one point the SDP had been leading in the polls, but in part due to Cook's poor performance as a candidate, highlighted by the coverage from journalist Vincent Hanna, they finished third.