Maybe of the decade. From the St. Petersburg Times:
Pundit Rush Limbaugh, who has a home on Florida's Palm Beach, suggested that the explosion could have resulted from Earth Day eco-sabotage by one of the rig workers. Limbaugh also said a cleanup was unnecessary.
"The ocean will take care of this on its own if it was left alone and left out there," Limbaugh said. "It's natural. It's as natural as the ocean water is."