Tabloid Man: The Life and Times of Ezra Norton, by Sandra Hall; HarperCollins/Fourth Estate, 2008, $35. You miss them when they’ve gone, the “three bad (or more kindly wild) men” of Sydney newspapers: Ezra Norton, Frank Packer and R.A.G. (“Rags”) Henderson. All three were real cards, bullies with distinctive acerbic wit laced with well-chosen expletives, a touch of the rogue, not altogether admirable or great for journalists to work for but prone to capricious acts of kindness and responsibility on their own terms. They were also, in their eccentric ways, good newspaper proprietors, who loved the craft, understood their market,…