Nippon Steel fight points to industry's uncertain future in Pennsylvania
![Nippon Steel fight points to industry's uncertain future in Pennsylvania](https://netstorage-legit.akamaized.net/images/a81701d63f1b2cc8.jpg)
Nippon Steel's proposed acquisition of United States Steel has been a source of unease in Pittsburgh, where the metal once dominated the economy and still looms large in the collective psyche. The company has also vowed to keep US Steel's 1,000-worker office in downtown Pittsburgh.