The Associated Press reports:

MOSCOW (AP) The United States and Russia have reached an agreement on “all documents” necessary to sign a new nuclear arms treaty, a senior Kremlin official said Wednesday, but he stopped short of saying both sides are ready to sign.
U.S. officials in Washington have only said the final language is close.
President Barack Obama spent an hour Wednesday in the White House with Democratic Senator John Kerry chairman of the Senate Foreign Relations Committee and Sen. Richard Lugar, the committee’s ranking Republican. Both would play major roles in Senate ratification of the emerging treaty.

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