One thing that feels uneasy was the constant declarations of American exceptionalism, with the Democrats if anything more than with the Republicans. "We are the greatest..."

A touch of Kipling's Recessional might be healthy, perhaps...

"Far-called our navies melt away;
On dune and headland sinks the fire:
Lo, all our pomp of yesterday
Is one with Nineveh and Tyre!
Judge of the Nations, spare us yet,
Lest we forget—lest we forget!"