"More than anything, though, Hapas remind us that, while racism is real, 'race' is a shifting construct... Race is thrust on Hapas based on the shades of their skin, the shapes of their eyes, their last names. But ethnicity, an internal sense of culture, place and heritage - that’s more of a choice."
http://www.nytimes.com/2008/03/23/magazine/23wwln-lede-t.html?scp=1&sq=mixed+messenger&st=nyt Note: 'Hapa' is a Hawaiian pidgin word denoting a person with mixed ancestry (lit. 'half')