Conversation so far:
who is the 28th president of the united states
Thomas Woodrow Wilson served as the 28th president of the United States.
when was Woodrow Wilson president
Thomas Woodrow Wilson served as president of the United States from 1913 to 1921.
what was Woodrow Wilson's job before becoming president
After earning a Ph.D. in political science from Johns Hopkins University, Woodrow Wilson taught at various schools.

Question: what was his first political job
Self-contained rewrite: what was Woodrow Wilson's first political job