The Daily Politics - and sister shows This Week and Politics Show - have been covering the debate about the Alternative Vote (AV) referendum and the arguments for and against the proposed change, set to be decided during a UK-wide referendum on Thursday 5 May.
Watch our coverage in video over the last 12 months as we have followed the struggle to get the AV bill through the House of Lords.
We also heard from those for and against the plan, who gave their views to Andrew Neil, Anita Anand, Jo Coburn and Jo Sopel, and we had films from our own reporting team of Giles Dilnot, Adam Fleming, David Thompson, Max Cotton and Susana Mendonça.
The newest clips are at the top, and they go back in date order.
Eddie Izzard and Lord Winston: May 4
Eddie Izzard and Lord Winston joined Philip Hammond and Alan Johnson to discuss the AV referendum
Film from Giles Dilnot: May 3
British public asked about political referendums
Foreign Office minister Jeremy Browne: May 3
Lib Dem Jeremy Browne criticises AV referendum material
Should we ever have a referendum: May 3
Professor Vernon Bogdanor, the Independent's Steve Richards and broadcaster Nick Ferrari argue about whether British political issues should be resolved with a referendum.
Lord Reid and Simon Hughes on AV coalitions: May 2
Labour's John Reid and Lib Dem Simon Hughes on the AV vote's strange coalitions
Ed Miliband on the AV campaign: May 1
Ed Miliband says this week's AV referendum was not lost, as many people were still making up their mind
Michael Portillo finally decides on AV vote: April 28
Michael Portillo votes no in AV referendum - while Diane Abbott votes yes
Michael Heseltine and Caroline Lucas: April 28
Green Party leader Caroline Lucas said the Alternative Vote (AV) option was not the best option but it was a "significant improvement" on the current first-past-the-post system.
Can UK learn from Australian AV system?: April 27
Stephen Parkinson for the no side, and Jonathan Bartley for the yes campaign, explain how AV could affect voting patterns in the UK - and lessons from the system used in Australia - before MPs Norman Baker and John Healey give their views.
Will AV vote rock the coalition?: April 26
Sir Menzies Campbell and Conservative MP Philip Davies on how the coalition can survive the AV vote
Film from David Thompson: April 26
Clegg and Cameron coalition tested by Alternative Vote poll
Explaining Scottish voting system: April 26
Anita Anand explains the Scottish voting system used to elect MSPs at Holyrood.
Deputy prime minister Nick Clegg: April 17
Deputy prime minister Nick Clegg claimed a change to the Alternative Vote (AV) vote change would "snuff out extremism" and make MPs work harder
Alternative Vote Debate April 6: How would it affect minor parties?
John Prescott, Michael Howard, Charles Kennedy and Tessa Jowell on how AV could help or hinder Green and BNP candidates
Alternative Vote Debate April 6: John Prescott speaks against
John Prescott: manifesto agreements irrelevant under AV system
Alternative Vote Debate April 6: Charles Kennedy speaks in favour
Charles Kennedy: First-past-the-post is unfair
Alternative Vote Debate April 6: Tessa Jowell speaks in favour
AV 'as easy as 123' says Tessa Jowell
Alternative Vote Debate April 6: Michael Howard speaks against
Michael Howard: AV is nobody's first choice
Former Australian PM John Howard: April 5
John Howard explains Australian PR voting system and what AV could mean for Britain
Explaining the Australian voting system: April 5
Adam Fleming explains how AV-like voting system works in Australia's elections
Shirley Williams, Alan Johnson & Michael Portillo: March 31
First-past-the-post voting is dead said Shirley Williams on This Week
Film from Max Cotton: March 27
The outcome of the referendum on proposals to change the voting system in Westminster could test the coalition with Nick Clegg campaigning for a yes and David Cameron for a no vote
Michael Portillo can't make up his mind: March 17
Michael Portillo: I haven't 'made up my mind' about AV vote
John Healey, Jeremy Hunt, Jo Swinson and David Lammy: March 16
John Healey and Jeremy Hunt don't want AV, but Jo Swinson and David Lammy back the change in a series of cross-party alliances
Alan Johnson on This Week: March 10
Former Home Secretary Alan Johnson who backs the alternative vote bid claims "every union" is set to oppose the change
Film by David Thompson: February 20
David Thompson reports explains how votes stack up under the AV system and why the yes and no campaigns may not be pushing the main party leaders in their campaigns.
Jacqui Smith and Michael Portillo: February 17
Alternative Vote matters say Michael Portillo and Jacqui Smith
Bernard Jenkin: February 16
Conservative MP Jenkin explains his concern over the 'indecent haste' to bring in the Alternative Vote (AV) referendum in May, adding only Papua New Guinea and Fiji have AV
Eleanor Laing and Charles Kennedy: February 15
Eleanor Laing, a member of the First Past The Post group, denies Conservatives opposing the Alternative Vote (AV) have been told to lay off Nick Clegg, and Charles Kennedy on the focus of the campaigns about the Alternative Vote (AV) referendum
Film by Susana Mendonça: February 15
The No to AV campaign has been launched in London despite the uncertainly over whether the bill will make it to law.
Francis D'Souza, Mark Harper and George Foulkes : January 31
Lords may no longer have to take part in sleep overs after "significant concessions" from the government to the Labour opposition which is not: Francis D'Souza, Mark Harper and George Foulkes on the guillotine hanging over the Lords?
Lord Falconer and Lord McNally: January 20
Liberal Democrat Lord McNally accuses Labour of behaving disgracefully as the Alternative Vote bill makes slow progress through the Upper House. Lord Falconer gives the Labour side on the late-night sittings for AV bill
Lord Foulkes and Lord Trimble: January 19
Labour peer George Foulkes explains why his party is holding up the AV bill as it goes through the House of Lords, and Lord Trimble give a Conservative view on the AV bill delay
James Landale: January 18
James Landale describes the all-night Lords sitting as peers discuss the bill to allow an AV referendum due in May.
Chuka Ummuna, Lord Falconer and Mark Harper: January 17
Lord Falconer claims Labour is not trying to block the AV referendum but explains why fellow Opposition peers are holding up the legislation to enable the planned vote in May, with MPs Chuka Ummuna and Mark Harper.
James Landale explains : January 13
BBC Deputy Political Editor James Landale explains why the AV referendum due to be held on 5 May could be delayed
David Blunkett: November 26
David Blunkett explains why he is saying no to AV - ahead of the referendum next May that could change the way MPs are elected to Westminster.
Lord Falconer and Lord McNally: November 15
Lord Falconer and Lord McNally on why the coalition is pushing on with plans to redraw constituency boundaries, cut the number of MPs and hold a referendum on the AV voting system
In the Mood box: September 29
Ed Miliband said he would support the AV voting referendum next May and the Daily Politics mood box has been testing the views of delegates at the Labour conference on what they think of the issue: as we asked if Labour should support the AV system?
Bernard Jenkin: September 06
Conservative MP Bernard Jenkin says talks have been held by MPs opposed to the AV system from across the political divide
Giles Dilnot talks to Watford voters: July 06
Explaining the AV vote: MPs are to vote on a referendum on electoral reform, even though it is not the favoured option for either the Conservatives or Lib Dems
Daniel Kawczyinski and Tim Farron: July 06
Conservative MP Daniel Kawczyinski defends the current voting system but coalition colleague Liberal Democrat MP Tim Farron backs reform to the Alternative Vote (AV) method, even though his party leader had called it a 'miserable little compromise'.
Douglas Carswell, Simon Hughes and Ben Bradshaw: May 26
The coalition government has set out its legislative plans including voting reform, and a referendum on the AV voting system: Douglas Carswell, Simon Hughes and Ben Bradshaw on plans for a referendum on the AV voting system
Professor John Curtice: February 09 (2010)
Jo Coburn and Professor John Curtice of Strathclyde University on how the AV system for Westminster elections would work.
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