[JURIST] US President Barack Obama [official website] on Wednesday signed documents ratifying [WH blog] the New START treaty [materials, PDF; JURIST news archive], an agreement between Russia and the US intended to reduce nuclear arms in both countries. Russian President Dmitri Medvedev [official website, in Russian; JURIST news archive] signed a bill into law last week ratifying the treaty after the Russian Federation Council approved [JURIST reports] the treaty’s ratification. The new treaty, which replaces the Strategic Arms Reduction Treaty…