One thing that can be said about Cubs Manager Joe Maddon is that he’s humble — it’s all about the players, not him. That personality trait, humility, is becoming more fashionable in the upper echelons of corporate America. Increasingly, company boards are seeking out CEOs that can boost employee morale, instill consumer confidence, and, believe it or not, admit when they’re wrong. Joann Lublin of the Wall Street Journal wrote about it in a story called “The Case for Humble Executives.”