Because their personal money was frozen and their illegal money is being watched and their free flights didn't come through. Thats why this post mentions frozen accounts. And also the question will be raised, why is Pelosi so eager to spend the Government shutdown in other countries that have little to nothing to do with US funding? If this question is raised, Pelosi looks bad in front of Dems, but if it isn't, people wonder why this trip was so necessary that it was paid for out of pocket, especially given the Shutdown here at home. Once again, Trump has left them with no chance of winning, and leaned back to admire the chessboard while they decide their next move.