in beijing, seth doane has more on the challenges facing journalists in china. >> reporter: journalists like gao yu and i can obtain information the government does not want published, zhang jialong told us, and put it on line for people to see. this 26-year-old journalist was fired from his job at a financial news web site for leaking secrets and sensitive information. what's it like to be a journalist in china these days? "you're constantly in fear of having your work removed or getting punished," he told us. "in the long run, you start to censor yourself." instead, zhang decided to expose chinese censures. central authorities have been tightening the net-- by publishing gag orders issued to chinese journalists. this one from 1212 resident: "you can only say what the the government wants you to say,"