(DAVOS, Switzerland) — As the world’s financial and political elites convene here in the Swiss Alps for the World Economic Forum, their vision of ever-closer commercial and political ties is under attack — and the economic outlook is darkening. Britain’s political system has been thrown into chaos as the country negotiates a messy divorce from the European Union. Under President Donald Trump, the United States is imposing trade sanctions on friend and foe alike, and the government is paralyzed by a partial shutdown over immigration policy that forced Trump and a high-level U.S.