Electoral history of Robert A. Taft, United States Senator from Ohio (1939–1953), United States Senate Majority Leader (1953) and a candidate for the 1940, 1948 and 1952 Republican presidential nominations. Senator Taft was a longtime leader of the conservative wing of the Republican Party, as well as co-leader of the Conservative coalition, which dominated United States Congress for decades. United States Senate election in Ohio, 1938: * Robert Taft (R) - 1,255,414 (53.62%) * Robert J. Bulkley (D) (inc.) - 1,085,792 (46.38%) Wisconsin Republican presidential primary, 1940: First ballot: