In a move that reshapes the geography of global energy, the United States has secured majority control of over 65 billion barrels of Venezuelan oil reserves through a partnership between government agencies and private operators, announced Friday by President Trump. The arrangement — granting 55 percent of output and a century of development rights at no declared cost to taxpayers — arrives at a moment of acute domestic pressure, with American gas prices climbing sharply amid a prolonged conflict disrupting oil flows through the Strait of Hormuz. It also marks a profound historical turn: Venez