File photo taken on June 8, 2017 shows former Director of Federal Bureau of Investigations James Comey arrives for a Senate Intelligence Committee hearing on Capitol Hill, in Washington D.C., the United States. James Comey said Thursday during a Senate hearing that Trump in his words did not order the FBI to drop the investigation on former National Security Advisor Michael Flynn. Jan. 20, 2018 reaches one-year mark for Donald Trump as the 45th president of the United States. One year into U.S. President Donald Trump's presidency, the uncertainties and anxieties over his unconventional playbook appear to have not diminished. As he seeks to implement his campaign promises, which seem controversial and even unacceptable to many, rifts, feuds and controversies dogged the year and 2018 would probably not be any different. (Xinhua/Yin Bogu)