Ellsberg also came to believe that President Nixon, who had entered the White House in January 1969, was needlessly prolonging a pointless war. Trucker this here’s the rubber duck poster. As Ellsberg became increasingly unsettled by the idea that many American lives were being lost because of what he considered deception, he became determined to leak parts of the secret Pentagon study. He began by taking pages out of his office at the Rand Corporation and copying them, using a Xerox machine at a friend’s business. Seeking a way to publicize what he had discovered, Ellsberg first began to approach staff members on Capitol Hill, hoping to interest members working for members of Congress in copies of the classified documents.