The Berwick MP Sir Alan Beith is marking 40 years in parliament.
He was elected as a Liberal in 1973. He's now one of the most senior figures in the Liberal Democrats.
Sir Alan will step down at the next general election.
He spoke to Helen Ford for our political programme Around The House. Watch his interview here:
On tonight's Around The House at 11.45pm, Sir Alan Beith discusses his four decades as the Liberal and Lib Dem MP for Berwick-upon-Tweed.
In tonight's programme Helen Ford talks to Sir Alan Beith about his 40-year career in Parliament.
Also - how well does the justice system serve victims of domestic abuse?
Plus - the blueprint for Scottish independence: how could it affect the north of England?
Join Helen at 11.45pm (21 Nov) on ITV.