NATO’s chief said Russia is sending troops and heavy weapons into Ukraine as President Vladimir Putin heads to a Group of 20 summit in Australia that’s overshadowed by the crisis. “We have observed in the past days that Russia has again brought arms, equipment, artillery, tanks and rockets over the border into Ukraine,” North Atlantic Treaty Organization Secretary General Jens Stoltenberg said in an interview with Germany ’s Bild newspaper. Ukraine is threatened with a return to open warfare, as seen before the Sept. 5 truce that’s being violated on an almost daily basis. More than 4,000 people have died in fighting, according to United Nations estimates. It’s the worst standoff between Russia and its former Cold War foes since the Iron Curtain fell 25 years ago. Waging Financial War “President Putin has clearly broken the truce agreement and has violated Ukraine’s integrity,” Stoltenberg said, according to Bild. Russia, […]