How would each of the three main political parties secure economic recovery? Jeremy Paxman is joined by Secretary of State for Business Peter Mandelson, and his Conservative and Liberal Democrat shadows, Kenneth Clarke and John Thurso to debate. Michael Crick explains the rules of political lobbying - how exactly does it work and how transparent is it? And there's the first instalment of Newsnight's Pop-up Politics in which people of Livingston in West Lothian have been asked about the state of trust in politics.