The star's understudy at the Barbican is Dwane Walcott, an excellent actor. He will deserve recognition for bravery if he has to step inThe theatre world, like the movie world, has loads of awards ceremonies. Many baubles and imaginatively contoured statuettes are handed out: for best actors, best directors, best designers. But now I think a new theatre award needs to be introduced: the Courage Award for Pure Emotion…