Dual Citizenship in the US isn't explicitly allowed, but it's not disallowed either and in practice isn't an issue. [1]. 1- http://immigration.findlaw.com/citi

Dual Citizenship in the US isn't explicitly allowed, but it's not disallowed either and in practice isn't an issue. [1]. 1- http://immigration.findlaw.com/citizenship/dual-citizenship.html http://immigration.findlaw.com/citizenship/dual-citizenship....