Conversation so far:
Where is Scooter Libby from?
Scooter Libby was born to an affluent Jewish family in New Haven, Connecticut.
Did Scooter Libby have siblings?
Scooter Libby has an elder brother, Hank, a retired tax lawyer.
Who were Scooter Libby's parents?
Scooter Libby's late father, Irving Lewis Liebowitz, was an investment banker.
Where did Scooter Libby go to school?
Scooter Libby graduated from the Eaglebrook School, in Deerfield, Massachusetts, a junior boarding school, in 1965.
Where did Scooter Libby go to high school?
Scooter Libby graduated from Phillips Academy, in Andover, Massachusetts, in 1968.
Where did Scooter Libby go to college?
Scooter Libby graduated from Yale and then received his Juris Doctor (J.D.) degree from Columbia Law School.

Question: What did he study?
Self-contained rewrite: What did Scooter Libby study in college?