I was actually born in KZ and I can't remember even a single time a CBP officer would give me a hard time because of that. Unless you are from one of Eastern Eu

I was actually born in KZ and I can't remember even a single time a CBP officer would give me a hard time because of that. Unless you are from one of Eastern European countries meaning you probably have relatives living in KZ or friends, I can see why a tourist visa for KZ has piqued his interest: it's fairly unusual.