File photo taken on Feb. 28, 2017 shows U.S. President Donald Trump (C) addressing the joint session of Congress on Capitol Hill in Washington D.C., the United States. U.S. President Donald Trump on Tuesday night rolled out his "America First" agenda for his four-year presidency in his first speech at a joint session of Congress since inauguration. 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)