The suspect creeping up near my front fence was a tough character—broad-leafed and thick-stemmed and threatening to invade my property and swallow it whole if I didn’t act fast. There was no hesitation that summer morning as I headed to work: Off with his head! It was a decision made all too easy by...

The white Bengal tiger paces back and forth, back and forth in a squat cage on the edge of the show ring. The cage is little longer than the tiger's body. The clock ticks down to the start of three scheduled performances at this fair in Pennsylvania. Potted palms and wooden masks decorate the ring...