From Rosabeth Moss Kanter: Apple, Facebook, Twitter, IBM, PepsiCo, P&G, Stonyfield Farm, entrepreneurs, philanthropists, and former British politicians provided me with occasions for pointing to business strategy and leadership lessons, good and bad, that shouldn't be forgotten. Here are my top five lessons from last year's blogs that can be carried confidently into the new year. · Go to Five lessons from 2010 worth repeating, without repeating 2010 →