By Daniel Cherry
http://stream.publicbroadcasting.net/production/mp3/wual/local-wual-860670.mp3
Tuscaloosa, AL – About five hundred years ago, European explorers brought the first pigs to North America as a steady food source. Few could have imagined how well they would adapt. Now, after many years of silence, one of the most destructive vertebrates in North America is taking center stage in Alabama. APR's Daniel Cherry has this report.