Dorfman; Royal Court, London; Chichester Festival theatreGillian Slovo's new verbatim play about the 2017 tragedy is overpowering theatre that doubles as activism; a comedy of iPhone-fixated family dysfunction is hilariously relatable; and the hills are alive again On billboards in the underground at Waterloo, Grenfell: In the Words of Survivors, a keenly awaited show at the National, advertises itself as "a new play…
