The original name of Leonard Rossiter's character was Rooksby. This was changed to Rigsby after complaints and threats of legal action from a real-life Mr. Rooksby who objected to the unflattering portrayal of a character with the same name as him.
Rupert Rigsby: [Describing the state of the nation]
This country gets more like the boiler room of the Titanic every day. Confused orders from the bridge, water sloshing around our ankles. The only difference is they had a band.