There are many lessons to be learned from this coronavirus crisis. To quote former President Barack Obama, this is a "teachable moment." First, I'm on record. I warned about the dangers of this pandemic when few knew it even existed. So I think I'm justified to now report we are all overreacting at this point. Eighty-one percent of those infected develop mild symptoms. This is certainly going to be a hit to the global economy. But the sky isn't falling. The lessons of coronavirus: 1. Always expect the best, but prepare for the worst. Get educated and prepared just in...