Communication is power. Whoever can communicate effectively can wield power. Most successful people are not really more knowledgeable. But they could communicate well. Obama or Osama are good communicators. And succeeded. Remember Obama won first time only because he could communicate the hope to the people. Just 2297 words in 17 minutes and 33 interruptions through applauses.. in his key note address in democratic national convention 2004, overnight he became favourite. Obama is placed on the some pedestal as of Rusevelt. Mr.Green explained five secrets of good communication talking Obama as the model. One can Google and get his booklet.
We heard information is power. But mere info can not get u anything if you cannot communicate it effectively.