One more: USA Today, Aug. 6

"Pro-Kerry tour could reap $44M
By Michael McCarthy, USA TODAY
Before it's over, the concert tour to elect John Kerry could take in as much money as some of the summer's major musical gigs. By one estimate, the Vote for Change tour — with Bruce Springsteen, Pearl Jam and the Dixie Chicks — could take in up to $44 million, before expenses."