OK, this is my kind of thing: global role of the dollar at risk! Maybe. As Drezner says, need fundamental strengths to be a key currency, but there's also a role for self-reinforcing advantage -- which can turn into a downward spiral if u abuse position 1/ washingtonpost.com/outlook/2018/1…
I've been thinking about these issues for a very, very long time 2/ nber.org/chapters/c6838
And you don't want to be too apocalyptic here: people who actually study the intl role of dollar are less impressed than those who won't. From the old paper 3/ 
Still, not something to trigger casually -- and casual triggers are what our current leadership is all about 4/
