General Accountability Office Digital Post Office Can’t Cut Saturday Delivery, Says Government Accountability Office If the financially strapped U.S. Postal Service wants to cut delivery down to weekdays, it's going to have to convince Congress to pass a law. That's according to the legal opinion from the Government Accountability Office. Digital Is Facebook About to Run Into Privacy Issues Again? There's always inherent risk—as well as opportunity—when you make it up as you go.