Dehradun, May 18 -- Nobody has a clear idea about why US President Donald Trump visited China. Except for handshakes and carefully calibrated speeches, not much emerged from his interaction with President Xi Jinping. It is not as if China admires Trump or the US so much as to make unnecessary concessions on trade and Taiwan. In fact, post the visit, it is Trump who has indicated that 'distant' Taiwan is not so much America's responsibility. Also, the mention by Jinping of the Thucydides Tramp was a way of saying 'we are coming for you'. This reveals that all the drama in the welcome only concealed the contempt the Communist establishment in China has for the US. This was answered in kind by Trump's entourage when it dumped everything obtain...