President Vladimir Putin has warned Georgia not to use the "language of provocation and blackmail" against Russia in a speech in parliament. The Duma went on to vote overwhelmingly for a motion echoing Mr Putin's condemnation of "anti-Russian" and "anti-democratic" policies in Tbilisi. Tension rose in the past week when Georgia detained, then released, four Russian army officers for spying. Russia has imposed a travel and postal ban between the two countries. "I would not advise anyone to talk to Russia in the language of provocation and blackmail," Mr Putin said in the Duma. "I am talking about Georgia here."...