The African lion population is shrinking due to habitat loss, lack of prey and violent contact with humans, including trophy hunting. The U.S. Fish and Wildlife Service is proposing that these animals be listed as a threatened species. Jeffrey Brown…

By PBS NewsHour

For the first time in years, hunting season for the once-endangered gray wolf is underway in Idaho and Montana to reduce the predator's population. Cattle ranchers say the hunts are necessary to protect their herds, but environmentalists disagree. Science correspondent…

Science correspondent Miles O'Brien reports on the successful return of a once endangered species now caught in the crosshairs of cattle ranchers.

By Mike Fritz and Miles O'Brien

Question/Comment: Did you ever hear about the two old ladies who made a precarious living taking in each other’s laundry? My question is this: how can a nation with manufacturing employment being replaced by “service” jobs expect to have a…