An organization I belong to normally alternates conferences yearly between US and either Europe/Asia. Because of a great hosting proposal for last year, the last two years were non-US. Surprises abound, as suddenly this year's conference will now be in Spain. Spain as a better site for religious tolerance blows my mind, but fits the times.
I'm not sure this organization *can* ever again be hosted in the US. And I think the US might not notice, tolerance passé, more's the pity.