About 35 years ago, 14 American bison from the San Diego Zoo were freed in Camp Pendleton's backcountry. Protected under federal law, the herd has grown and thrived in the area's ideal conditions, expanding to 150 bison.
However, this gross expansion of the species has led Camp Pendleton into a predicament: bison have recently been caught in barbed wiring and have been interfering in Marine training.…