Conversation so far:
Where did Howard Dean grow up?
As a child Howard Dean spent much of his time growing up in East Hampton, New York.
Where did Howard Dean go to school?
Howard Dean attended the Browning School in Manhattan until he was 13.
Where did Howard Dean attend at age 13?
Howard Dean then went to St. George's School, a preparatory school in Middletown, Rhode Island.
What did Howard Dean attend in 1966?
In September 1966, Howard Dean attended Felsted School, UK, for one school year after winning an English Speaking Union scholarship.
Was Howard Dean involved in any extracurricular activities in school?
Did Howard Dean have childhood friends?
How were Howard Dean's parents?
Howard Dean's father worked at the stock brokerage firm of Dean Witter. The family was quite wealthy, Republican, and belonged to the exclusive Maidstone Golf Club in East Hampton.

Question: What else did he do in his childhood?
Self-contained rewrite: What else did Howard Dean do in his childhood besides everything mentioned previously?