Jelaskan Media dari State of the Union

The American Presidency Project: State of the Union Messages "Established in 1999 as a collaboration between John Woolley and Gerhard Peters at the University of California, Santa Barbara," currently (Aug. 2007), the APP "archives contain 75,663 documents related to the study of the Presidency."

C-SPAN State of the Union videos and transcripts  (since 1945)

State of the Union (Visualizations, Statistical Analysis, and Searchable texts)