Homeless people consume illegal drugs in an encampment along Willow St in the Tenderloin district of downtown San Francisco, CA. The picture I had held in my mind of the San Francisco of the past was drastically different from today’s squalid reality. Photograph: Gary Coronado/Los Angeles Times via Getty Images –I am writing this just north of Sydney on a property surrounded by tall gum trees filled with brightly coloured parrots and laughing Kookaburras. Coming home into the arms of family and friends for a few weeks at Christmas is always uplifting. However, getting to Australia in the “living with...