For more information about Cuba, and U.S. diplomatic relations and policy pertaining to Cuba, please see the following:

U.S. Department of State
http://www.state.gov/p/wha/ci/c2461.htm

Amnesty International
http://www.amnestyusa.org/By_Country/Cuba/page.do?id=1011139&n1=3&n2=30&n3=889

International Republican Institute
http://www.iri.org/lac/cuba.asp

National Democratic Institute
http://www.ndi.org/worldwide/lac/cuba/cuba.asp