A Harvard professor says your answers to 2 questions will help you become more successful in life

Clive Rose/Getty Michael Phelps and Winston Churchill make early appearances in Eric Barker's book, "Barking Up the Wrong Tree." Barker uses them as prime examples of people who succeeded because of — not in spite of — their eccentricities. Phelps has an unusual body type; Churchill was a "paranoid loose cannon." And yet both found a niche where those oddities would be helpful instead of detrimental, and subsequently rose to the top of their field. It's a process anyone can replicate (though...