Everyone laughs at Trump's version of Thomas Jefferson, but is the nation that Jefferson founded finally going out of style, or not?

Eh, the US will remain strong, but it'll slide down the ranks in relative strength in comparison to rising powers like the PRC, India, Vietnam, Turkey, and possible the EU. There's also a distinct chance that Russia will get a lot more powerful if the worst comes to pass in terms of climate change -- presumably to the exclusion of the rest of the items on that list.