Debt, students, shark and chips

What is the government’s fiscal rule on the national debt? Are international students stealing places from the UK’s young people? How much social housing is really being built? Do 90% of chip shops sell shark and chips?Tim Harford investigates some of the numbers in the news. Presenter: Tim Harford Producers: Nathan Gower and Debbie Richford Series producer: Tom Colls Production coordinator: Janet Staples Sound mix: Rod Farquhar Editor: Charlotte McDonald