This story originally appeared in the I'm Not the Nanny blog. "What's your nationality?" I've been asked this question countless times throughout my thirty-four years of living in the United States. I was born in October 1978. If you do the math, it means I've been living in the US since I was born. Technically, that makes me an American citizen. My passport even says so. So why do people feel compelled to ask for my nationality? Why not my cultural background? Or my ethnicity? Why ask at all? Is it because I'm not Caucasian? Back in my fiery high school and college days, my quick retort...