U.S. Postmaster General John Potter says the USPS is taking on more and more debt and the only way to stop the bleeding is to slash spending – including the end of Saturday delivery. Why is the postal service suffering from so much debt? How is Congress adding to the problem? How could competition be the best thing for the survival of the U.S. mail? Why is change so slow in coming? What can we learn from other countries in erasing this debt? We ask Chris Edwards, director of Tax and Budget Policy Studies at the Cato Institute here in Washington.