Oprah Winfrey: Queen of all media

How did Oprah become the richest African American of the 20th Century? BBC business editor Simon Jack and journalist Zing Tsjeng find out, and then they judge her.

In the podcast that uncovers how the world's 2,668 billionaires made their money and asks if they are good or bad for the planet, Simon and Zing follow Oprah Winfrey's rise from a poor young girl dressed in potato sacks, to the queen of all media. And find out what surprising item she bought with her first million.

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