Or maybe because Davos is buried in snow and she doesn't feel like spending the time cooped up in a room or getting buried by an avalanche.
Heads of State and C.E.O.s in Davos Beware: 6 Feet of Snow in 6 Days
Besides, Hillary didn't divorce slimy bill after all of his affairs and the whole Lewinski thing. Why is Melania to be held to a different standard?