John Kearns: a supreme standup hidden behind bad teeth and a tonsure
The wig-wearing comic's new show about humdrum heroism is his best yet. But as his act strives for knockout poignancy, does the goofy get-up help or hinder?When John Kearns corpses, is he coming out of character? It happens on a few occasions during his current Soho theatre gig, and " even though I know the official line on Kearns' act, which is "it's not a character: it's me" " these moments feel like a glimpse behi…