david ayellowah. >>> and by contributions to your pbs station, from viewers like you. thank you. ♪ ♪ >>> i am pleased for welcome david ayellowah to this program, the talented actor stars and produced united kingdom, based on the true story of an interracial marriage to an african prince to a white british clerk who became his queen and uproar they faced in a world of apartheid. more on what they faced in the united kingdom. >> i'm very pleased to meet you, sir. >> i would speak to my nephew alone. refreshments will be provided for you in the house. >> over two decades of preparing you to be our king. and this is how you face me. a white woman by your side? are you trying to tear us apart? >> we have heard so much. >> why would you do this to us? >> be something that makes no sense to you. be somewhere. look at them. they are fighting because of you. >> when, david, did you first learn of this story? >> about seven years ago now. a producer i was working with handed me a book called color bar. he had the rights to that book and it was literally their image on the cover