Some context for what that kind of drop looks like. That's the lowest US score since the Civil War + a 1-year drop of that size puts us in the same company as events like Belarus's 1995 coup (though not as bad as Gambia in 1994 or Thailand in 2006)

#rstats code here: https://gist.github.com/andrewheiss/f7c6a9cc30d2a3e17f9acf77f71d6811