One of the most profound, yet simple, acts of leadership I personally experienced was in the days after 9/11/2001. After the terrorist attacks many on Wall St. had lost friends, colleagues and in many cases family members. All had worked tirelessly to recover their companies and get the financial markets up and running again by the following week. I’d worked on and off in a command center, about half a mile away from Ground Zero, for several days with little in the way of sleep. Many other...