LOS ANGELES (Reuters) - Fascination, pride and the best soap opera in the world have many Americans eagerly awaiting the impending birth of Prince Harry and Duchess of Sussex Meghan Markle?s first child. FILE PHOTO: Britain's Prince Harry (R) arrives with girlfriend actress Meghan Markle at the wheelchair tennis event during the Invictus Games in Toronto, Ontario, Canada September 25, 2017. REUTERS/Mark Blinch/File Photo After some 29 million Americans watched the televised May 2018 wedding of Harry to Californian actress Markle, the prospect of the first British royal baby born to an American mother is proving even more compelling.