Philip Dodd hosts a concert on Europe, with political thinker Slavoj Zizek who has recently returned from Athens, the writer Pankaj Mishra, Edward Lucas, the Editor of the International section of The Economist and the broadcaster and journalist Michael Goldfarb. And Kamila Shamsie reviews the extraordinary eight hour, un-cut staged reading of The Great Gatsby, Gatz, part of LIFT, the London International Festival of Theatre.