What are the challenges facing the Lib Dems in this election, and what does success look like for them? In this episode, Nigel and Sarah are joined by Mark Pack, President of the Liberal Democrats, to answer these and other questions. Meanwhile the Prime Minister has been forced to apologise after he received a barrage of criticism for leaving the D-Day 80th anniversary commemorations early to conduct a TV interview. How did this happen? And in our series looking back at the 1997 General Election we've reached the parties' manifesto launches - and Nigel risks running into his younger self... Produced by the Centre for Opposition Studies Presented by Nigel Fletcher and Sarah Southern Theme Music by Tom Hector