With the 4 th of July upon us, towns big and small across the US will once again engage in an almost never-ending round of pyrotechnic displays that will draw plenty of oohs and aahs. The largest, ...

Gary Souza learned how to play with fire when he was 12. His father, who ran the family’s California-based fireworks business, would drive out to the countryside to test new shells, taking young Gary ...