Twenty-five years ago, author Malcolm Gladwell published "The Tipping Point," about how ideas and behavior spread in a society to create positive change. The book was an international bestseller, having since sold over 2 million copies in the U.S. alone. In his follow-up, "Revenge of the Tipping Point," Mr. Gladwell looks at the downside of social epidemics, including the rise of opioid abuse and Medicare fraud.  
Learn more about your ad choices. Visit megaphone.fm/adchoices