The railway line between Dover and Folkestone, which was badly damaged by storms, is to re-open three months ahead of schedule. It was closed on Christmas Eve after part of the sea wall collapsed, making the track unstable. It has caused travel problems for thousands of commuters but train services will start running again next month. Tom Savvides talks to the chief executive of Network Rail, Mark Carne. This report also includes interviews with Richard Dean of Southeastern and the MP Charlie Elphicke.