ReasonTV Video: Mayor Ed Koch on rent control, his sexuality, Andrew Cuomo, and how he helped save New York

I don't know about 'saving' New York. That's yet to be seen:

From the caption:

In 1978, New York City was crumbling and the leading indicator of America's seemingly irreversible decline. The South Bronx, once a thriving middle-class neighborhood, had became a national symbol of urban horror.

They haven't seen Detroit yet I reckon.