Secretary of State Condoleezza Rice goes to China next week. Yahoo CEO Jerry Yang is insisting she press for the release of Shi Tao, the Chinese dissident Yahoo helped to imprison. He wrote her a letter to say so. And Yahoo lawyer Michael Samway published it on Yahoo's corporate blog. Which isn't a distasteful public-relations gimmick at all! Especially when you consider that the terms of a settlement with Shi Tao's family requires Yang to lobby for his release. Here's the letter: