I am a hapa, yonsei Uchinanchu (a mixed-race, 4th-generation Okinawan-American) who was born in Riverside, California, in 1973 and raised in the shadow of the Cascade Mountains in Washington state. My mom’s roots stem from Spanish-Basque migrants in California and white southerners in Tennessee. My father is Okinawan from Hawaii. Because I don’t look quite white, people frequently ask, “What are you?” From an early age, even though Hawaii and Japan were enigmas to me, I have had to explain …