Recently, I took (and passed) my citizenship test, and the interviewer asked me if I had a middle name. When I said no, she asked if I wanted to change my name. Hmm, I thought, am I supposed to, to become an American? For many Americans, including those born and raised here, there's an assumption that they must prove just how American they are. My research participants felt that way much of the time, but those who practiced certain kinds of behaviors—drinking, dating, dressing in mainstream Western fashion—felt the pressure less. Diya was relatively indistinguishable...