EUGENE — The man who leaked the Pentagon Papers during the Vietnam War called for government insiders to provide similar classified documents about the war in Iraq. Daniel Ellsberg, 73, said federal insiders owe a "higher allegiance'' to the Constitution, the public and U.S. soldiers in Iraq than to their government bosses. He acknowledges that whistle-blowers risk personal setbacks, such as losing their jobs, but urged them to act nonetheless. "I'm asking them to ask themselves whether their highest duty to this country really consists in keeping secrets of an administration that has acted like this ... in protecting lies,...