There are two kinds of leaders: One type is what I call the "rational optimist," who can see opportunities in difficult situations and respond appropriately when problems arise. I consider the other ...

Optimism is among the most celebrated human qualities. Many studies have shown that optimists tend to fare better in life than their pessimistic friends—at least when it comes to physical and mental ...

It's happened to me many times; maybe it's happened to you. I'll be walking down the street, deep in thought, brow furrowed, lips pressed together as I mentally project myself into the future: How ...