This problem can be reproduced by downloading Firefox [url removed, login to view], [url removed, login to view]
Using a current browser, the map & push-pins at [url removed, login to view] work correctly, i.e., the map centers on the United States and the two dozen push pins fall into place.
With the older browsers, Firefox [url removed, login to view], the map centers on 0, 0 lat/lng, and does not drop the push pins.
All of the files/source you need to review/resolve the problem are available at [url removed, login to view]
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