By Rinzin Wangchuk THIMPHU, Bhutan — For the first time, the Chief Minister of Assam, Himanta Biswa Sarma, is attending Bhutan’s National Day celebrations as a state guest. The 117th National Day, commemorating the coronation of Bhutan’s first king in 1907, will be marked with grand festivities at Changlimithang Stadium in Thimphu on December 17. […]