we want to continue our interviews with people like dan fagin. book is called "toms river: a story of science and salvation ." it just won the 2014 pulitzer prize for general nonfiction. it is yours for a contribution of $150 if you call right now.

my music, you know, going back and listening to stevie wonder songs and steely dan songs, you know, you see that donald faginpose. he had an intention, stevie wonder was really stinging about something. >> pharrell says now he wants his music to lift people up. >> of all the records you worked on are you proudest of any in particular. >> i am proud of all of my work and thankful that, but happy changed me. >> see you tomorrow. >> released last july in the film despicable me 2. >> it might be crazy. >> it went nowhere at first. >> took it to radio and it was just lake too different because at that time it was like. >> [beat). >> .. >> [sound effects] >> it was like every record. >> hey, hey, hey! >> here i am, happy! >> they were like, uh, no. >> then in november his label released this video. >> it might be crazy what i'm about to say. >> it just explodes. >> it has hit number one in 24 countries. >> walk down the street with pharrell williams now and from all sides people approach him, people of every color and every age. >> people walk up with their toddlers, there is the happy man. >> it is like what? >>