United States (US) Secretary of State Mike Pompeo opened talks in India on Monday, kicking off a four-country Asia tour that he has said will focus on the "threats" posed by China.Pompeo and Defence Secretary Mark Esper, who is joining him for the two-day visit, will meet Prime Minister Narendra Modi on Tuesday amid heightened tensions since a border clash between India and China in June.Pompeo opened his trip with talks and a dinner with External Affairs Minister Subrahmanyam Jaish