Perhaps it's an indicator of the feebleness of new writing after the pandemic that so many of the current highly hyped plays are 1990s and 2000s revivals " success in the past is, it is hoped, a guarantee of success today. Examples include Martin McDonagh's The Pillowman and Mike Bartlett's Cock in the West End, […] The full version of the article Conor McPherson's "The Weir" at the Harold Pinter Theatre: Beautiful…