No way out?

Contingency seems to be the name of the game at the moment for a number of major sporting events. As the IPL works to decide where the 2009 competition will take place, UEFA continue to monitor the situation in Ukraine as the country prepares to stage the Euro 2012 tournament alongside Poland. Rumours persist that Germany has been identified as a potential contingent partner for Poland. As we head towards the World Cup 2010 in South Africa, FIFA maintains that there is no 'Plan B' i.e. it's South Africa or nothing. Surely this can't be true, especially given the lucrative commercial and broadcasting deals FIFA will have in place for 2010? If it is true, what contingencies will FIFA have made and how might they be working with their prospective South African hosts? If it isn't true, how does a governing body or federation manage the relationship with a contigent host? Indeed, what management challenges does it pose for the contingent hosts themselves? In the event of an event needing to be moved to another country, how can the negative consequences of the move be mitigated? Do contingencies create needless duplication and waste, or are they just good sense?