The mistake in Trump’s tariff formula

What is the error in the calculation Donald Trump used to work out his new tariffs?

What happened when the government ordered a recount of bobbies on the beat?

When is a tax freeze not a tax freeze?

And do redheads really have a 25% higher tolerance to pain?

Tim Harford investigates some of the numbers in the news.

Presenter: Tim Harford

Reporter: Charlotte McDonald

Producers: Nathan Gower and Lizzy McNeill

Series producer: Tom Colls

Production co-ordinator: Brenda Brown

Sound mix: James Beard

Editor: Richard Vadon