The United States now believes Russia’s claims that it is pulling back troops from Ukraine’s borders are “false,” amid fears of an imminent invasion. “Yesterday, the Russian government said it was withdrawing troops from Ukraine,” a senior Biden administration official told reporters on Wednesday evening. “They received a lot of attention for that claim, both here and around the world. But we now know it was false.” The official said that instead, the White House believes Russia has increased the number of troops amassed along the border. “We have now confirmed that in the last several days, Russia has increased its troop presence along the Ukrainian border by as many as 7,000 troops, with some arriving as recently as today,” the official said. “Every indication we have now is they mean only to publicly offer to talk and make claims about de-escalation while privately mobilizing for war,” the official continued, noting that …