Blackmail (Mercury Theatre, Colchester) Rating: Verdict: Poirot lite The Merchant Of Venice (Sam Wanamaker Playhouse, Globe) Rating: Verdict: Brutally to the point There is nothing like a little blackmail to make an audience sweat

Blackmail (Mercury Theatre, Colchester) Rating: Verdict: Poirot lite The Merchant Of Venice (Sam Wanamaker Playhouse, Globe) Rating: Verdict: Brutally to the point There is nothing like a little blackmail to…