Cynthia Sanborn, a China scholar at Universidad del Pacífico, in Lima, Peru, April 6, 2026. U.S. officials criticize China’s investment in Peru, “but they can’t make it stick,” and offer no comparable alternative, said Sanborn. (Sara Wayra/The New York Times) By GENEVIEVE GLATSKY Peru’s ambassador in Washington, Luis Miguel Castilla, received a stern phone call in 2015 from the State Department, after U.S. officials learned that a Chinese firm would finance a sprawling new Pacific Coast port…