In the hierarchy of UK immigration status, there is a tier that sits above Indefinite Leave to Remain (ILR) but just below full British Citizenship. It is known as the Right of Abode (ROA). For those who hold it, it is the "Golden Ticket." Unlike ILR, which can be lost if you leave the UK for two years, the Right of Abode (ROA) is for life. You can live in Canada for twenty...