“As far as the question of tensions between India and China affecting the (G20) summit – really that’s up to China. If China wants to come in and play the role of spoiler, of course, that option is available to them,” he said. US National Security Advisor Sullivan was responding to a question at a White House news conference on Tuesday on the impact of India-China border tensions on the G20 Summit. Washington: It is for China to decide what role it plays at the G20 Summit in New Delhi, a top US official has said, asserting that if Beijing...