Herbert S. Hadley examiners' board, a fish and game commission, a game protection board, and a Missouri waterways commission. Many of Hadley's recommendations for change in other government sectors, such as revenue and public service, were not supported by the Missouri General Assembly. In 1912, Hadley served as floor leader for Theodore Roosevelt's wing of the Republican Party at the 1912 Republican National Convention. After the death of Vice President James S. Sherman in October 1912, President William Howard Taft strongly considered naming Hadley as Sherman's replacement on the 1912 Republican ticket, but Taft ultimately did not select a replacement before the election
William Howard Taft conflict between the conservative wing of the Republican Party, with which Taft often sympathized, and the progressive wing, toward which Roosevelt moved more and more. Controversies over conservation and antitrust cases filed by the Taft administration served to further separate the two men. Roosevelt challenged Taft for renomination in 1912. Taft used his control of the party machinery to gain a bare majority of delegates and Roosevelt bolted the party. The split left Taft with little chance of re-election and he took only Utah and Vermont in Wilson's victory. After leaving office, Taft returned to Yale as a professor, continuing