Emma Raducanu could become Britain's first billion-dollar sport star

PR experts agree the champion is a marketer's dream - with strongly engaged online fans and talent and charisma to burn Most fledging British stars spend years trying to crack America. Emma Raducanu did it in three giddy weeks. And such was the skill and breathtaking scale of her first grand slam victory - which ended with her blitzing an ace before collapsing to the floor and rubbing her eyes, as if to make sure she was not in some impossible dream - it felt entirely natural to immediately spec...