Star Trek's George Takei on being a Non-Alien

This is an amazing first-hand account of the psychology behind the Japanese-American internment camps of World War Two.  Takei's experiences illustrate the stereotypical thinking that motivated the creation of the camps, an act that was later defined by a postwar Congressional committee as being "...motivated largely by racial prejudice, wartime hysteria, and a failure of political leadership."

For more on the internment camps, including the original text of Executive Order 9066 that overrode "the Constitutional safeguards of American citizens in the name of national defense" check out PBS: Children of the Camps.