Aug. 2, 2005 - Saying he was on a "mission to ignite peace," guitar legend Carlos Santana played before a sold-out crowd at a concert Tuesday to mark the 60th anniversary of the world's first atomic bomb attack. The concert was one of dozens of events this city is holding ahead of the memorial ceremony on Saturday. About 50,000 people, including Prime Minister Junichiro Koizumi, are expected to gather in Peace Memorial Park for Saturday's anniversary. "It is an honor to be here and to be of service with our music," Santana told the "Emissaries for Peace" concert crowd of...