File photo taken on Dec. 20, 2017 shows U.S. President Donald Trump speaks at an event celebrating the passage of the tax bill on the South Lawn of the White House in Washington D.C., the United States. The U.S. Congress on Wednesday finally passed the Republican bill to overhaul the U.S. tax code over three decades, sending it to President Donald Trump's desk for signature, amid concerns that the change would widen income inequality and swell public debt. 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)