Russian President Vladimir Putin on Friday signed a law extending the New START nuclear arms control treaty, the last major pact of its kind between Russia and the United States, by five years, the Kremlin said in a statement. Russia’s lower and upper houses of parliament voted unanimously to ratify the extension on Wednesday. Russia said the extension will come into effect once the two sides have exchanged diplomatic notes after each completes their domestic procedures. The Kremlin’s statement said that “renewing the treaty meets the national interests of the Russian Federation, makes it possible to maintain the transparency and predictability of strategic relations between Russia and the United States and to support global strategic stability.” Senate Armed Services Committee member Tom Cotton (R-Ark.) told Fox News on Monday that the existing New START treaty favors Russia. “It does not cover the vast arsenal of tactical nuclear weapons that Russia has or some of its novel delivery systems like undersea delivery …