Homework For Playgoers: Too Much To Ask?

As Tom Stoppard’s trilogy, “The Coast of Utopia,” sends Broadway audiences skittering for the bookshelves, Lyn Gardner asks, “But how far should you have to read up in advance in order to enjoy a show? After all, you don’t have to have a degree in nuclear physics to enjoy either Michael Frayn’s Copenhagen or Greg McLaren’s How to Build a Time Machine….”