Google Inc. co-founder Sergey Brin acknowledged Tuesday the dominant Internet company has compromised its principles by accommodating Chinese censorship demands. He said Google is wrestling to make the deal work before deciding whether to reverse course.

Meeting with reporters near Capitol Hill, Brin said Google had agreed to the censorship demands only after Chinese authorities blocked its service in that country. Google's rivals accommodated the same demands — which Brin described as "a set of rules that we weren't comfortable with" — without international criticism, he said. "We felt that perhaps we could compromise our principles but provide ultimately more information for the Chinese and be a more effective service and perhaps make more of a difference," Brin said.

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Brin visited Washington to ask U.S. senators to approve a plan that would prevent telephone and cable companies from collecting premium fees from companies such as Google, Microsoft and Yahoo! for faster delivery of their services. Brin, dressed casually in jeans, sneakers and a black sport jacket, said he wasn't sure whether he changed any lawmakers' minds. Google's China-approved Web service omits politically sensitive information that might be retrieved during Internet searches, such as details about the 1989 suppression of political unrest in Tiananmen Square. Its agreement with China has provoked considerable criticism from human rights groups. "Perhaps now the principled approach makes more sense," Brin said.