Is America turning into a Third World "banana republic"?

Since the 2008 financial near-collapse in America and for the last 30 years, there's been an attack on the middle class in this country:

The Attack on America's Middle Class

7 Things the Middle Class Can’t Afford Anymore

Then, more recently, the UN says Detroit is violating human rights there by cutting off water to the poor:

UN Reps ‘Deeply Disturbed’ That Detroit Is Shutting Off Water To People Who Don’t Pay Their Bills

Now Amnesty International weighs in on the Ferguson, Missouri debacle:

Amnesty International: Ferguson Cops Committed Human Rights Abuses

Take this into consideration:

America Has The Worst Wealth Inequality Of All Developed Nations

What's become of us, America?

What's becoming of us?

And maybe most importantly:

What are we going to do about it?