It is a well known fact that the Bush administration had a hand in the attacks of September 11th 2001. For concrete evidence you need look no further than South Park Episode 1009 "Mystery of the Urinal Deuce", available here.
It goes without saying that a big part of the motivation for these actions by the Republican administration was to be able to funnel American tax payer money to their friends and supporters in the defense industry.
I would argue that Obama's democratic administration has intentionally caused the current oil spill in the golf of Mexico with similar motives. The only difference is this will allow the Obama administration to funnel tax payer money to their friends and supporters in the green jobs sector of the economy.
Disaster politics may be the wave of the future. As for proof...who needs it? I have a website. Thanks for being a good sport about this...
Finally...it is inevitable that some jackass at PBS is going to make a documentary about this...remember you heard it here first!