Trump, sworn in as US president, vows to put 'America First' in defiant speech.

US President Donald Trump delivering his inauguration speech. Donald Trump has taken power as the 45th president of the United States and pledged to pursue "America First" policies in an inaugural address that has been a populist, anti-Washington rallying cry. Trump sworn in Sketching a bleak vision of a country he said was ravaged by rusted-out factories, crime, gangs and drugs, Trump indirectly blamed his predecessors in the White House for policies that helped the establishment at the expense of struggling families. "From this moment on, it's going to be America First," the Republican told hundreds of thousands of people gathered on the grounds of the National Mall after taking the oath of office on the West Front of the US Capitol on Friday. Four past US presidents, three Democrats and a Republican, sat nearby. Scattered street protests erupted against Trump elsewhere in Washington. "Every decision on trade, on taxes, on immigration, on foreign affa...