Tim Walker: “‘Another day, yet another newspaper critic in @ThatTimWalker faces the axe,’ the Tricycle Theatre in north London tweeted recently, when it was announced the curtain was coming down on my run as the Sunday Telegraph‘s chief theatre critic. ‘What’s going on? Theatre will be the poorer without these voices.'” Many professionals, not least the director Michael Grandage, “retweeted this howl of despair – and one can well understand it.”