In this week’s Flightless Bird, David Farrier looks at the process of gaining American Citizenship, and what it means to become truly American. Why over the last decade did over seven million non-Americans choose to become American? And what does this process look like? David talks to a New Zealander who chose to Naturalise before looking at some Americans who’ve chosen to do the exact opposite. Why would someone choose to become American and why would someone choose to give it up?