WikiLeaks emerges as powerful online whistle-blower

WikiLeaks website and founder Julian Assange operate in relative secrecy even as they seek to publish classified or private documents to spark public debate. Partnering with news media adds new heft.

Though propelled to fame by its recent disclosures about the U.S. military, WikiLeaks has homed in on targets as wide-ranging as corruption in the family of a former Kenyan ruler, alleged illegal activities by a Swiss bank and Sarah Palin's private e-mail account.