Editor's note: Peter Bergen is CNN's national security analyst and the author of "Manhunt: The Ten-Year Search for bin Laden, from 9/11 to Abbottabad."
It's the diplomatic equivalent of hosting both the World Cup and the World Series in the same country on the same weekend.
On Saturday President Obama welcomes the leaders of the world's most powerful countries to the G8 conference at his country retreat at Camp David in Maryland. And the next day he hosts some two dozen NATO heads of state in Chicago.
The challenges of this Diplopaloozaa include some complicated logistics: How do you get eight world leaders and their delegations comfortably situated in the rustic wood chalets that make up Camp David, and which has never hosted this many heads of state before?
Read more from Peter Bergen about the challenges, the Syria question and the last-minute guest at the NATO summit: Pakistan.