2015 election: Labour and Liberal Democrats together?
21 May 2012 Last updated at 16:06 BST
Could Labour and the Liberal Democrats work together if a 2015 general election resulted in another hung Parliament?
The Daily Politics has learned there has been sustained behind-the-scenes contact between the two parties, which some, on both sides, hope might lead to some type of pact after the next election.
David Thompson spoke to Liberal Left vice-chair Richard Grayson and Labour MP Peter Hain about how the parties may - or may not - get along.