A union of 16 commonwealth realms is the natural step forward sharing history, common law, head of state, commandeering chief, parliamentary democracy, common language, family ties and heritage, many institutions are same/similar a union of equals were Ireland can become whole again. If countries lick Scotland, Eire and UK were able to share an undemocratic union let's build a better one, to say its impossible is a short sighted view after all we went to space and the moon.