Deadline: Showtime has put in development The Life And Times Of Teddy Roosevelt as a limited series. Showtime LogoDavid McKenna (S.W.A.T., Blow) is writing the script, and Electus and Authentic Entertainment is producing. The project centers on the 26th President of the United States, who served two terms from 1901-09. Taking office at age 42 after the assassination of President McKinley, Roosevelt remains the country’s youngest POTUS. His progressive agenda included trust-busting, conservation and government regulation of such industries as drugs, food and railroads.