text: According to his advisers, this man had multiple pillow fights with Leonard Wood while holding his highest office.
full_question: According to his advisers, this man had multiple pillow fights with Leonard Wood while holding his highest office. During this man's tenure, he forced Binger Hermann to resign following the discovery of corruption between that man and the commissioner of the Indian Service. This president passed the Hepburn Act, establishing federal control of railroad states, as well as the Pure Food and Drug Act. This president mediated a meeting between two feuding nations over the division of the Sakhalin Island. That meeting took place in Portsmouth, New Hampshire and effectively ended the Russo-Japanese War. For 10 points, identify this man who became president after the assassination of William McKinley.
first_sentence: According to his advisers, this man had multiple pillow fights with Leonard Wood while holding his highest office.