In recent years, Republican states have passed restrictive voter ID laws that they say stop electoral fraud, but which activists say discriminate and disenfranchise certain voters. Here in the UK, the government wants to introduce a voter ID law so that when you vote in the next election you have to prove who you are before casting your ballot. Yet with fraud vanishingly rare, why do we need this new law? And are the lessons from America a warning for its potential impact on turnout? Today, we talk to voting rights expert Ari Berman and Factcheck’s Paddy Worrall. Sources: CNN, CBS 60 Minutes, ITV News, MSNBC, ITV Peston, KVUE