A man guards the entrance of the Google Cloud booth of the World Economic Forum (WEF) 2018 annual meeting on January 21, 2018 in Davos, eastern Switzerland.
US President Donald Trump’s participation at the World Economic Forum in Davos, Switzerland next week could be thrown into question now that the federal government has partially shut down over budget wrangling, the White House said December 20. / AFP PHOTO / Fabrice COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)