Leadership and corporate culture expert Sam Silverstein discusses why accountability is a fundamental aspect of good leadership. Sam explains why leaders must be held accountable to their subordinates, clients and boards, and why "no excuses" are permissible. He cites examples of both good and poor leadership to bolster his advice. Sam and AQQOLADE's Bob Dragone discuss the status of leadership in the U.S. today, with insights on both corporate and government performance in today's world.