Britain’s Prince Harry, sixth in line to the throne, and American Meghan Markle, best known for her former role in the TV drama “Suits,” are due to marry Saturday (May 19) in Windsor, England. For many fans, it is a fairy-tale romance as a former American actress becomes a princess; and the marriage also breaks many of the unspoken conventions of the British royal family. As Henry Ridgwell reports from London.
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