Podcast:The Book Review Published On: Thu Feb 18 2016 Description: Robert Gordon, author of “The Rise and Fall of American Growth,” and Jeffrey Sachs, director of the Earth Institute at Columbia University, debate whether the era of strong economic growth is over, or whether innovation can revive America’s future. Unlock full access to New York Times podcasts and explore everything from politics to pop culture. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify.