Former US envoy Nikki Haley criticises Donald Trump’s tariff threat on India over Russian oil imports. She questions Washington’s softer stance on China, Russia’s top oil buyer, and urges the U.S. to protect its strategic ties with India rather than strain them through trade penalties. Former US envoy Nikki Haley criticises Donald Trump’s tariff threat on India over Russian oil imports. She questions Washington’s softer stance on China, Russia’s top oil buyer, and urges the U.S. to protect its strategic ties with India rather than strain them through trade penalties.