In early 1926, Stewart became active in the campaign to re-elect longtime Iowa Republican Senator Albert B. Cummins. Starting in April 1926, Cummins received a challenge from an "insurgent" candidate, former U.S.
In early 1926, Stewart became involved in the effort to re-elect longtime Iowa Republican Senator Albert B. Cummins. Starting in April 1926, Cummins faced a challenge from an "insurgent" candidate, who was previously a U.S.