That might be so, but you're definitely not required to drop your citizenship elsewhere if you become a citizen here: the US just wants to be your 'number one'

That might be so, but you're definitely not required to drop your citizenship elsewhere if you become a citizen here: the US just wants to be your 'number one' squeeze, as it were. Also, the US really hates it when you change your nationality for tax purposes. That is, when you change it AWAY from the US for tax purposes.