For the first time in nearly a decade, a senior U.S. delegation has visited Havana—reviving direct contact between two long-time adversaries at a moment of deep crisis for Cuba. The island is grappling with widespread power outages, fuel shortages, and a contracting economy, amid the long-standing U.S. embargo and its recent tightening grip on Cuba's energy lifeline. What is driving this renewed engagement? Is it the start of a breakthrough—or simply a different form of pressure? And as tensions rise, is Washington going to launch another unprovoked war on a sovereign nation?