Conversation so far:
What did Howard Dean do at Yale University?
As a freshman at Yale University, Howard Dean requested specifically to room with an African-American.
Why did Howard Dean request specifically to room with an African-American as a freshman at Yale University?
The university housing office complied and Howard Dean roomed with two Southern black students and one white student from Pennsylvania.

Question: Can you elaborate?
Self-contained rewrite: Can you elaborate on Howard Dean rooming with two Southern black students and one white student from Pennsylvania as a freshman at Yale University?