British Prime Minister David Cameron took a colossal gamble when he called for a referendum on whether Britain should leave the European Union.

Instead, he brought about Brexit and sent the country into three years of chaos.

Cameron was certain his side — Remain — would win. How did he get it so wrong?

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Watch Who broke Britain, part 1: https://www.youtube.com/watch?v=jW2NSrzcrIQ

Check out our entire series on YouTube: https://www.youtube.com/playlist?list=PLDTPrMoGHssAfgMMS3L5LpLNFMNp1U_Nq