Question Time, the BBC's premier political programme, was in Durham on 21 April.
David Dimbleby was joined for the interactive debate by former foreign secretary Robin Cook, former Conservative leader William Hague, Baroness Shirley Williams for the Liberal Democrats, Jean Lambert from the Green Party.
Title: Former Foreign Secretary
Robin Cook resigned from Tony Blair's government in March 2003 in the lead up to military action in Iraq.
He served as Foreign Secretary from 1997-2001 and has been highly critical of the Blair/Bush post-war strategy in Iraq.
He has also served as Leader of the House of Commons and has published his memoirs, entitled Points of Departure.
Title: Former Leader of the Conservative Party
William Hague resigned as leader of the Conservative party after its defeat at the last general election.
INTERACT WITH QUESTION TIME
Digital Satellite, Freeview and Cable viewers press red
Text your comments to 83981
Read comments on Ceefax page 155
Send and read comments on the website
He entered the Cabinet in 1995 as welsh secretary and was leader of the Conservative Party from 1997-2001.
William Hague has written a book on his political hero William Pitt, and also has a regular column in the News of the World.
Title: Liberal Democrat
Career: Shirley Williams recently stood down as Liberal Democrat Leader in the House of Lords, retiring from frontline politics after 30 years.
An MP for 17 years, Shirley Williams was a cabinet minister in Jim Callaghan's government and architect of the comprehensive system as education secretary.
She left the Labour Party and became co-founder of the SDP in 1981.
JEAN LAMBERT MEP
Title: Green Party
Jean Lambert was re-elected in 2004 as one of the UK's two Green MEPs.
She is currently the Green Party spokesperson on Employment, Social Affairs and Pensions.
A former teacher, she has been an active member of the Green Party since 1977.
BBC One's Question Time is broadcast this week on Thursday at 2245 BST.