John Mortimer, creator of Rumpole of the Bailey, once commented that "the shelf life of a modern . . . writer is somewhere between the milk and the yoghurt". If you want to know why that's the case, you can ask that astute social commentator Sylvester Stallone. Broke and down on his luck, Stallone reportedly wrote the script for Rocky in three days. "Yo," he said, adding, "I'm astounded by [...]