Remember, the U.S. Postal Service is bleeding cash to the tune of $15.9 billion a year. And unlike most federal bureaucrats, Postmaster General Patrick Donahoe is looking for ways to cut costs. (Granted, the government could get rid of the Postal Service and privatize the whole thing, but for now let's deal with today's reality of a government agency that is still operating and at least trying to be more cost-effective.)