Barack Obama's party in Chicago risks harming his mandate

The Telegraph has already reported about contingency plans and riot police on standby in case of an Obama loss. But what about an Obama win? There are 70,000 tickets for Grant Park but the city is expecting anything up to one million people to turn out. If anyone does anything stupid, it's not hard to see some scared Chicago police officers overreacting. A crowd of a million Americans full of the moment is bound to contain some idiots, and the Park does have history. Here is where the police turned on anti-war demonstrators at the Democratic convention in 1968. Chicagoans have been seriously injured by each other even when celebrating victories by their sports teams