Russian envoy warns on U.S. human rights bill

WASHINGTON (Reuters) – Proposed U.S. legislation to punish Russian officials involved in human rights abuses could have "a significant negative impact" on U.S.-Russian relations, Moscow's envoy to the United States warned on Monday Russian Ambassador Sergei Kislyak said the U.S. Congress should not tie the so-called Sergei Magnitsky bill to an expected vote this year on establishing "permanent …