Where’s the next Lehman?

THE bankruptcy of Lehman Brothers, an American investment bank, in 2008 turned a nasty credit crunch into the worst financial crisis in 80 years. Massive bail-outs from governments and central banks staved off a second Depression, but failed to prevent a deep recession from which many rich economies have yet fully to recover. Five years after that calamity, two big questions need to be answered. Is global finance safer? And are more crises on the horizon?