As he dispatched his new envoy, Obama said he did not expect immediate success from Mitchell's mission. But he said he hoped this early dialogue from his administration would help open the way for an Israeli-Palestinian peace. Said Obama: "When he speaks, he speaks for us. All rights reserved. The information contained in the AP News report may not be published, broadcast, rewritten or redistributed without the prior written authority of The Associated Press. Environmental activists Monday said they had been pursuing Japanese whalers through blizzards in the Antarctic for two days, during which the harpooners had been unable to kill any whales.