There have been “certain positive changes” in the “practically daily” negotiations about bringing an end to the fighting in Ukraine, says Russian President Vladimir Putin. He gave no further details during the comments, which he delivered during a meeting with Belarusian President Alexander Lukashenko in the Kremlin. He noted the “massive blow” to the Russian economy due to a mass of Western sanctions that have been levied against the country following its attack. But he gave no sign of being impressed and noted that Russia has grown used to sanctions down through the years. “And we of course …