O scar Wilde’s comedy was billed as a “play of modern life” when it premiered at the Haymarket theatre in London in 1895. It is just as modern now in its central, chiming theme: the clandestine corruptions of outwardly squeaky-clean members of parliament. Sir Robert Chiltern (Chiké Okonkwo) is the apparently upstanding minister and “ideal husband” to Lady Chiltern (Tamara Lawrance) but his past bears the illicit selling of a cabinet secret to a baron. This threatens to ruin him if he does not appease the blackmailing Mrs Cheveley (Aurora Perrineau). There are shades of “cash for questions”, and other recent scandals, although the political story does not quite sting as it might. One throwaway line makes the parallel to today but Chiltern’s crime is dismissed as a “sin of one’s youth” and Okonkwo plays him with a winning earnestness. Emmanuel Akwafo and Jamael Westman in An Ideal Husband, designed by Rajha Shakiry.…