A day after Russia said it pulled back some of its forces away from the Ukrainian border, NATO officials said Moscow is still adding troops to its buildup around the Eastern European nation. “We have not seen any withdrawal of Russian forces. And of course, that contradicts the message of diplomatic efforts,” NATO Secretary-General Jens Stoltenberg told reporters. “What we see is that they have increased the number of troops and more troops are on their way. So, so far, no de-escalation.” While a feared Russian invasion of Ukraine on Wednesday has not materialized, the United States and its allies maintain that the threat remains strong, with Europe’s security and economic stability in the balance. Russia’s defense ministry on Wednesday said that some of its forces would be heading back to their bases. “Combat equipment and military personnel will be delivered by military trains to the units’ permanent deployment points,” …