The massacre in San Bernardino earlier this month was a blow to a place that has had its share of adversity. The city has been battered by economic calamity, wildfires, high crime and bankruptcy. NPR's John Burnett prepared this profile of how San Bernardino is coping with its latest crisis: the aftermath of the worst mass shooting in the U.S. in recent years, and how to use the city’s response to try to move an already hard-luck city forward to better days.