Taleb, author of The Black Swan, contributes this thought-provoking essay on what we know about what we don't know. A 'black swan' is an improbable, dynamic event that, once it occurs, we rationalize to make it seem predictable (e.g. 9/11). Taleb discusses that while these black swans are actually impossible to predict, we must relearn how to learn from their impact.

We've all seen it: a successful employee promoted to manager is given no training and essentially pushed into the deep end and told to swim? According to Andersen, this approach to creating new managers is epidemic. Using an accessible gardening metaphor, Andersen, founder of Proteus International, contends that new managers must have a support system available to train them, while on the job, to become successful managers.