cover that, you know me, i will do anything. >> i hope the managers heard you. >> i missed you for a week. >> yes. >> but surfing in costa rica was nice. >> i'm sure it was. glad you are back. thank you, michael. r&b usher gives his all on stage, and off stage he gives back through the book foundation and he explains how in this "impact your world." >> hey, this is usher, and we can make an impact on our young people. the foundation was founded in 1999, and i started it, because i wanted to do something that i felt would impact youth and showing them a new look on life through real world experiences and leadership and service. my hopes are that i am introducing tomorrow's service-minded youth leader. our children are the future and this is our opportunity to make it better by motivating them now. join the movement, impact your world at cnn.com/impact. april is national volunteer