Are older drivers more dangerous?

Could the cut in winter fuel payments cost thousands of lives?
Is it really true that criminals sentenced to three years will be out of prison in two months?
Are older drivers more dangerous than young ones?
Do Southeastern Railway shift 50 million leaves from their lines?
Tim Harford investigates some of the numbers in the news.
Presenter: Tim Harford
Reporters: Bethan Ashmead Latham and Nathan Gower
Producer: Natasha Fernandes
Series producer: Tom Colls
Production co-ordinator: Katie Morrison
Sound mix: James Beard
Editor: Richard Vadon