Robert Hormats, the US Under-Secretary of State for Economic, Business, and Agricultural Affairs, speaks during an interview in New York in March. (PHOTO: Reuters) WASHINGTON—As Burmese President Thein Sein left his country on what is being billed as a “historic” visit to the United States, a top Obama administration official on Monday said the US needs to partner with India to unlock the vast potential emerging out of the region. “The development of trade and transit links between Southeast and East Asia has been hindered for decades by poor regional infrastructure connectivity, the isolation of the Burmese government, and political mistrust between India and its neighbors,” the Under-Secretary for Economic Growth, Energy and Environment, Robert Hormats, said in his address to the India Investment Forum in New York.