The only equivalent plunge from genius I could think of was Ernest Hemmingway's tragic loss of ability to write. Hemmingway got up one morning and shot himself. Nicklaus got up the next morning and shot 66.
The crowds at Flushing Meadow are about as impartial as a Nuremberg Rally.
A few years ago we colonised this place with some of our finest felons, thieves, muggers, alcoholics and prostitutes, a strain of depravity which I believe has contributed greatly to this country's amazing vigour and enterprise.