Conversation so far:
When did William Randolph Hearst get involved in politics?
Hearst was elected to Congress from New York in 1902 and 1904. He made a major effort to win the 1904 Democratic nomination for president, losing to Alton B. Parker.
Did William Randolph Hearst attempt to run for any other offices besides Congress?
Hearst narrowly failed in attempts to become mayor of New York City in both 1905 and 1909 and governor of New York in 1906
Did Hearst do anything else in politics aside from running for office?
Hearst claimed to be speaking on behalf of the working class (who bought his papers) and denouncing the rich (who disdained his editorials)

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