Among my Christmas presents was a copy of Survive, a recent collection by Sports Afield magazine of helpful tips for the great outdoors. Most of the stuff was familiar - rub a raw potato on poison ivy, roast a wood bug before you eat it - but on page 70 I was surprised by this novel approach to mountain lions: "Do not approach one, especially if it is feeding or with its young. Most will avoid confrontation, so provide an escape. Do all you can to appear larger. Raise your anus, and open your jacket if you have one on."...