New Delhi, Sept. 11 -- Anything can happen once United States (US) President Donald Trump gets active in diplomacy's china shop. The developments over the US-Taliban deal, ironically revealed by Trump himself in a number of tweets on September 7, once again illustrate the bewildering, if not the chaotic, manner in which the US presently conducts its foreign policy. Indeed, Trump's Afghanistan policy is a case study in unpredictability....