Damian Paletta Josh Dawsey The Washington Post

US President Donald Trump's divergence on key international flash points, particularly trade, climate and Russian provocation, upended a consortium of world leaders that was created four decades ago to address major crises.

President Donald Trump on Friday declared the southern border of the United States to be a national emergency, catapulting the country into uncertain legal and political battles as he seeks to fulfill a campaign promise that eluded him for two years.

President Donald Trump on Friday abruptly named Mick Mulvaney, currently the director of the Office of Management and Budget, as acting White House chief of staff, elevating a conservative ideologue with congressional experience to steer the administration through a treacherous phase.

President Donald Trump on Tuesday dismissed a landmark report compiled by 13 federal agencies detailing how damage from global warming is intensifying throughout the country, saying he is not among the "believers" who see climate change as a pressing problem.

President Donald Trump on Saturday threatened to hammer European automotive companies with steep tariffs as his global trade war snowballed into a third day.

US President Donald Trump's divergence on key international flash points, particularly trade, climate and Russian provocation, upended a consortium of world leaders that was created four decades ago to address major crises.

President Donald Trump on Friday declared the southern border of the United States to be a national emergency, catapulting the country into uncertain legal and political battles as he seeks to fulfill a campaign promise that eluded him for two years.

President Donald Trump on Friday abruptly named Mick Mulvaney, currently the director of the Office of Management and Budget, as acting White House chief of staff, elevating a conservative ideologue with congressional experience to steer the administration through a treacherous phase.

President Donald Trump on Tuesday dismissed a landmark report compiled by 13 federal agencies detailing how damage from global warming is intensifying throughout the country, saying he is not among the "believers" who see climate change as a pressing problem.

President Donald Trump on Saturday threatened to hammer European automotive companies with steep tariffs as his global trade war snowballed into a third day.