When aid groups approach the media to draw attention to a problem, the response is more often 'Who have you got?' than 'What is the issue?' Driven by an insatiable appetite for celebrity, newspapers and broadcasters often want a recognizable face as much as a theme, helping explain why stars get involved in charity and why the Live 8 concerts on July 2 are proving such a big media draw. Bono, lead singer of the band U2, gestures after a news conference at the EC headquarters in Brussels in this June 9, 2005 file photo. Photo by Yves Herman/Reuters
