A Chinese scholar who -challenged the communist government by setting up a democratic opposition party has vowed to sue US internet company Google for excising his name from its local search results...Guo Quan's...threatened lawsuit...highlights the anger felt by some reform-minded Chinese at the willingness of foreign companies to bow to censorship in order to gain access to China's tightly restricted internet market...Speaking through a public relations representative, Google China said yesterday that it would not comment on political or censorship issues. The special action against Mr Guo's name comes after he announced late last year the creation of the New Democracy party dedicated to ending China's "one-party dictatorship"...Baidu.com...and the locally controlled Chinese arm of US portal Yahoo have also blocked all searches for Mr Guo's name.