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Following her barn-storming speech about sexual harassment at the Golden Globe awards earlier this month, Mark Coles charts the rise of talk show host, philanthropist, media proprietor and actress Oprah Winfrey.

With calls urging Winfrey to run for President, close friends and former colleagues recount their favourite moments with her on-set and at home. We learn about the woman behind the screen and her remarkable tale of rags to riches, from clothes made out of potato sacks to one of the richest black women in the world.

(Photo: Oprah Winfrey, Credit: Getty Images)