At the age of 70, Michael R. Bloomberg nears an actuarial end that not even his $22 billion net worth can reverse. By giving him a measly 13 years of life expectancy, the law of averages has made the New York mayor acutely aware of time. In 2006, he installed a countdown clock in his mayoral headquarters that marked time until the end of his second term. As his third term commenced in 2009, Bloomberg escalated his war on time, putting a stopwatch to meetings. Was he racing the clock, or, as the co-inventor of the Bloomberg Terminal, did he think that a firmer grasp on life’s raw data would prolong his life?