“Because of the Democrats intransigence on Border Security and the great importance of Safety for our Nation, I am respectfully cancelling my very important trip to Davos, Switzerland,” Trump said in a tweet Thursday. The U.S. delegation to the World Economic Forum’s annual meeting in Switzerland is to include Secretary of State Michael Pompeo, Treasury Secretary Steven Mnuchin, Commerce Secretary Wilbur Ross and U.S. Trade Secretary Robert Lighthizer, among other top administration officials.