...Google, Yahoo and Microsoft said today that they were close to finishing a voluntary code of conduct for doing business in China and other countries that censor the Internet…Sen. Durbin and Sen. Tom Coburn… wrote to the companies last month urging them to finish their work before the Olympics open in China to protect information about athletes, journalists and tourists who use the Internet during the games...Joined by European firms Vodafone and France Telecom, the...companies have been developing the code with human rights organizations and privacy groups.