Its the oppisite of a non event but the full impact and implications of losing a good credit rating might not be recognized immediately.   The graph at least looks like its going parabolic with increasingly steeper gradient as the interest costs more so to the budget becomes increased by that added cost as in a feedback effect.
  This is not an unforeseeable problem as its happened with a variety of countries but debt runaway in the worlds reserve currency would effect everyone negatively pretty much and its something that has to be avoided.   Trump doesnt have to spin it especially as its already part of the narrative, its not new news but macro economic factor true for decades so he can easily say he is here to solve it.  Only in retrospect is that solution a failure or success especially and mostly the politics doesnt pay the price, its we the people.