Watching the City

International corruption cases have succeeded the high-profile corporate collapses of the early 1990s, but the UK Serious Fraud Office's job remains the same - to pick through the debris left when financiers decide to step outside the law. The SFO's director, Robert Wardle, says the office is keeping up with the growing complexity of modern fraud - but juries may be having more difficulty.

"I think there are some cases incapable of being tried by a traditional jury. It's not a question of