An interesting site maintained by the Washington Post. It provides free access to a searchable database of the text of speeches delivered by American president Barack Obama since he took office in 2009. It is possible to search by keyword, browse by policy area or topic; consult some statistics on number of speeches made and frequency of words used. Some speeches include video film footage. Copyright and technical information is displayed on the website.

http://projects.washingtonpost.com/obama-speeches/

From Intute.ac.uk