Off the charts: "black swan" ahead?

"Black swans" are the anti-gravity of predictive analytics. These events are so far off the charts that we dismiss the possibility out of hand. But when one occurs, it's a doozy.

The Panic of '08 may lead us straight into one of these, says Nassim Nicholas Taleb, author of The Black Swan and Fooled by Randomness among other works. He and his mentor, math…