The Declaration of Independence promises the right to life, liberty, and the pursuit of happiness.At a time when the language and intent of the Constitution are under intense scrutiny, one legal scholar is particular is out to explore what the founders may have meant when they defined that last part as an inalienable right.Nowadays, most of us think of happiness as something that results from the pursuit of pleasure. But writer and historian Jeffrey Rosen says the Founding Fathers had other ideas.We talk to Rosen, the president and CEO of the National Constitution Center, about his latest book, "The Pursuit of Happiness," and what the founders had in mind for our country.Want to support 1A? Give to your local public radio station and subscribe to this podcast. Have questions? Find out how to connect with us by visiting our website. Listen to 1A sponsor-free by signing up for 1A+ at plus.npr.org/the1a.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy