Refreshed at 0900GMT ThursdayWriting Worth Reading | July 29, 2010

1 "Enron", Noël Coward Theatre, London. Lyn Gardner: "Lucy Prebble's all-singing, all-dancing morality play about the collapse of Enron, the energy company, is a piece so confident it's astonishing that it is only her second play"

2 The hindered haircut. Henney Sender: "What the AIG drama exposes is that much of the recent innovation on Wall Street was dedicated to creating assets that barely traded and whose values were determined almost exclusively by computer models used by the banks and rating agencies"