In a meeting with Ukrainian officials in Kyiv last week, U.S. Army Secretary Dan Driscoll delivered a grim assessment. Driscoll told his counterparts their troops faced a dire situation on the battlefield and would suffer an imminent defeat against Russian forces, two sources with knowledge of the matter told NBC News. The Russians were ramping up the scale and pace of their aerial attacks, and they had the ability to fight on indefinitely, Driscoll told them, according to the sources. The situation for Ukraine would only get worse over time, he continued, and it was better to negotiate a peace...