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 Around The House at 11.45pm tonight, there is a debate on the forthcoming blueprint for Scottish independence.
Helen Ford is joined by southern Scotland MPs Russell Brown and Michael Moore, as well as Stewart Hosie MP (SNP) and the head of the Yes Scotland campaign Blair Jenkins.
Watch the full interview with the Berwick MP Sir Alan Beith on tonight's Around The House (Thursday 21 November) at 11.45pm.
Helen Ford and guests discuss the forthcoming blueprint for Scottish independence, and how it could affect the north of England.
Also in the programme, Helen talks to Sir Alan Beith about his 40-year career in Parliament.
Around The House is tonight (21 Nov) at 11.45pm on ITV.