Special interest groups have spent $57 million dollars flying Congress members and staffers on trips since 2000. At least that's what LegiStorm was able to track down.
The most expensive travelers: Rep James Sensenbrenner (R-WI) who racked up 25 trips totaling $220,859 and Rep George Miller (D-CA) who took 53 trips valued at $215,745.
The most frequent fliers: Rep Barney Frank (D-MA) with 84 and Rep Stephanie Tubbs Jones (D-OH) with 79. (LegiStorm via Political Wire)