People like you, the political climate you create, and the policies you vote for, are largely why our cities are devolving.
> our cities are devolving.
Turn off fox news and visit any of them and you'll see that American cities today are experiencing a rennaissance.
If you're actually interested and not just asking someone to elaborate on a complex problem over a HackerNews comment. An equally uncharitable opponent could ask you to prove that heavy policing (or at least the NYPD) has played a significant role in reducing crime.