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President Donald Trump (C) arrives, flanked by US Secretary of State Rex Tillerson (L), to address the World Economic Forum (WEF) annual meeting on January 26, 2018 in Davos, Switzerland. Nicholas Kamm | AFP | Getty Images DAVOS, Switzerland ꟷ Donald Trump is not among the attendees at this year's edition of the World Economic Forum in Davos, but his potential reelection as president of the United States is very much part of the conversation at the Swiss Alpine resort. "Every question I've gotten as I've walked up and down the [Davos] Promenade today is, 'is he coming back?'," Tim...