What do Usain Bolt, Gabby Douglas, and Michael Phelps have in common? They're all gold medal winners at the 2012 London Olympics, of course. But they also share some traits with world-class speakers. ... read more »
What do Usain Bolt, Gabby Douglas, and Michael Phelps have in common? They're all gold medal winners at the 2012 London Olympics, of course. But they also share some traits with world-class speakers. ... read more »
