by Una Hearne. I love the idea of 'Tribe'. It's as relevant today as it was when there was only a few thousand of us on the planet. Tribe matters. We need to belong to other people. It's built into our DNA and it protects us. Tribe used to be relatively simple - it was the extended family you were born into and only changed if maybe you left and joined another tribe. It's a little more complex in the modern world. For a start, we are packed into cities and towns, rarely isolated ...