The part about scheduling 20 years in advance is the one bit that didn't seem well thought out. We don't know this stuff in advance. We can't even predict ear

The part about scheduling 20 years in advance is the one bit that didn't seem well thought out. We don't know this stuff in advance. We can't even predict earthquakes. Anything that changes the earth's effective radius changes the rotation. Keeping and updating a table might be workable anyway. It can't be much worse than pushing all the new daylight savings rules.