Naman Ramachandran BBC One and Amazon Studios have revealed the first trailer for upcoming series “A Very British Scandal,” featuring Claire Foy, two-time Emmy winner for Netflix’s “The Crown.”Foy stars as Margaret Campbell, Duchess of Argyll, alongside Paul Bettany (“WandaVision”) as Ian Campbell, 11th Duke of Argyll, and Julia Davis (“Nighty Night”) as Maureen, Marchioness of Dufferin and Ava.Written by Sarah Phelps (“The Pale Horse”), the series is from the makers of the award-winning “A