By 2010 Kids' Night on Broadway Playbill | 10/19/2010
Broadway and "American Idol" veteran Clay Aiken knows how to have fun for a good cause on Halloween. An Ambassador for UNICEF since 2004, Clay spoke recently about the annual Trick-or-Treat for UNICEF campaign, which is being supported by Playbill and the Broadway League this year as part of Kids' Night on Broadway.