CAPTION: What do Boston Celtics All-Star Paul Pierce, former president Bill Clinton, and recording artist Usher all have in common? An interest in helping America's youth. The trio was on hand to join forces with world leaders to tackle global issues at the Clinton Global Initiative. At the conference, Pierce announced The Truth on Health Campaign to encourage youth to lead active & healthier lifestyles. Pierce will personally oversee the main component, FitClub34, presented by Title Sponsor Harvard Pilgrim Health Care. (PRNewsFoto/Truth on Health Campaign)