12 June-An upcoming gathering of dozens of celebrities who lend their names as advocates of the United Nations will be an important step in their efforts to promote the world body's work, a senior UN official said today. "The purpose of the meeting is to deepen their understanding of the UN and its many roles, to strengthen their connection to the whole UN system, and to reinforce their roles as advocates and spokesman who inform, who inspire and raise awareness and raise funds, who travel to the frontlines and help us carry our message to a larger public," Gillian M....