The end of the American Empire is near. It’s time to return to a limited Constitutional republic.
Rubbish,there is no "American Empire" by any normal definition.
And here is the proof of it: conduct all the opinion polls you wish, in every country you can think of and you will not find a majority in any country who claim to belong to an "American Empire".
"The American Empire" is pure figment of imagination -- it doesn't exist, it will not disappear.
Now, America's military allies, friendly countries, partners in trade & commerce, countries with strong historical, family and community ties with Americans -- sure, we have many countries with shared interests.
Those will not suddenly disappear, regardless of what some say about the alleged "American Empire ".
But you are right, it is well past time to put the ratified Constitution back into our alleged republic.