Google asked the secretive Foreign Intelligence Surveillance Court on [June 18] to ease long-standing gag orders over data requests the court makes, arguing that the company has a constitutional right to speak about information it is forced to give the government. The legal filing, which invokes the First Amendment's guarantee of free speech, is the latest move by the California-based tech giant to protect its reputation in the aftermath of news reports about broad National Security Agency surveillance of Internet traffic. Revelations about the program, called PRISM, have opened fissures between U.S. officials and the involved companies, which have scrambled to reassure their users without violating strict rules against disclosing information that the government has classified as top secret. A high-profile legal showdown might help Google's efforts to portray itself as aggressively resisting government surveillance, and a victory could bolster the company's campaign to portray government surveillance requests as targeted narrowly and affecting only a small number of users. [The] unusual legal move came after days of intense talks between federal officials and several of the technology companies, including Google, over what details can be released. It also comes as the firms increasingly show signs of wanting to outdo each other in demonstrating their commitment to protecting user privacy. Facebook, Microsoft and Yahoo in recent days have won federal government permission to include requests from the court as part of the overall number of data requests they receive from federal, state and local officials.