Harry Potter author JK Rowling provided an excellent illustration of why you always need luck with her most recent book, “The Cuckoo’s Calling.”  Here’s a succinct Bloomberg article by Duncan Watts that explains the tale:http://bloom.bg/15XEAab After finishing with the Potterverse, Rowling turned to adult fiction with her first non-Potter book, “The Casual Vacancy,” which met … Continue reading You Always Need Luck (the lesson of JK Rowling & Robert Galbraith)