Russian President Vladimir Putin says if the West lets Ukraine use long-range precision weapons to strike targets deep in Russian territory, this means NATO is entering the war. Putin warned that he would see such a move as meaning NATO countries, including the US and European nations, are fighting with Russia, which would change the nature of the war. “We will make appropriate decisions based on the threats we will be exposed to,” he said in response to a question from a journalist in St Petersburg, without providing further details. Putin launched a full-scale invasion of Ukraine in February…