Conversation so far:
When did William Randolph Hearst get involved in politics?
He narrowly failed in attempts to become mayor of New York City in both 1905 and 1909 and governor of New York in 1906.
Did he attempt to run for any other offices?
He was defeated for the governorship by Charles Evans Hughes.
Did he do anything else in politics aside from running for office?
Hearst was on the left wing of the Progressive Movement, speaking on behalf of the working class (who bought his papers.

Question: Where did he speak?
Self-contained rewrite: Where did William Randolph Hearst speak on behalf of the working class?