Via the Toastmasters news feed, Warren Buffet shares some powerfully motivating thoughts at Inc: mastering the art of public speaking is the single greatest skill to boost your career. TED’s Chris Anderson tells us how it works—”As a leader -or as an advocate–public speaking is the key to unlocking empathy, stirring excitement, sharing knowledge and insights, and promoting a shared dream.” How man of those abilities have you added to your portfolio?