I don't see any downside to dual citizenship and when you travel to third countr...

		proberts on July 5, 2017 \| parent \| context \| favorite \| on: I'm Peter Roberts, immigration attorney who does w... I don't see any downside to dual citizenship and when you travel to third countries, you can travel on either passport (that's up to you) - but when you travel to the US, you must use your US passport and your Irish passport when you travel to Ireland.