As humans, we all generally like to think we're rational, logical individuals. We also have a tendancy to assume other people also have logical behavior.  Unfortunately, that is far from the case. 

Lucky for us there are researchers like Dan Ariely. Thanks to his in depth studies of human nature and the choices we make, he's discovered some amazing trends and patterns that, as the title says, makes us all "Predictably Irrational."

Ever wonder what makes a leader great?  Ever spend time thinking about what the strengths are in your personality or how you might be able to become more like great people around you? Kevin Vogelsang has and he's written a book to help you answer those questions.  In his just released book "10 Powerful Personas," Kevin examines key attributes of 10 different qualities found in leaders. I learned a lot from the book and I'd like to share a few of the lessons here: