The flickering glow of summer's fireflies: too important to lose, too small to notice them gone

DELAWARE SEASHORE STATE PARK, Del. (AP) — On a muggy July evening, Delaware state biologist Jason Davis is doing what kids have done for ages: Trying to catch a firefly. It's nowhere near as easy as the summer evenings of his own childhood, with only a few in this large wetland between a bay and...