PBS
Pbs Learning Media: 60 Second Presidents: Theodore Roosevelt
Video [1:26] highlights on the presidency of Theodore Roosevelt and how he ushered the U.S. into the 20th Century. With background essay on Roosevelt's life and fact sheet with questions pertaining to the video.
A&E Television
History.com: Teddy Roosevelt Takes the Reigns After an Assassination
William McKinley's assassination rocked the entire country, but not his successor, Theodore Roosevelt. He made it very clear from the start that the presidency was now his. Watch this video [1:01] to learn about it.