Predictability has been the defining characteristic of the Mariano Rivera experience the knowledge that calling upon the lean relief pitcher was essentially to end a ballgame several outs early, extinguishing an opponent and giving the crowd a few extra minutes to gather personal effects.
Yesterday afternoon I got a chance to meet Facebook COO Sheryl Sandberg, the author of Lean In, the much-discussed book about the need for women to take it upon themselves to strive for leadership roles.