The late Mel Webber and I got into a huge debate one day about the external benefits of passenger travel. I argued there were none: there’s always a motivation to capture external benefits. Multipliers are different than externalities. So I’ve never believed in external benefits, but this sort of pronouncement makes me think they may, in fact be possible. Or maybe this would just be a secondary benefit:

Why Rush Limbaugh would go to Costa Rica if Obama’s healthcare plan passes – Yahoo! News