ORTHFIELD, Vt. -- When Denis and Sarah Scheele's dog was fatally shot after wandering onto a man's property, they sued -- and not just for damages. The couple also wanted compensation for their emotional distress and loss of companionship. Their case is one of a growing number around the country that asks courts to recognize what dog owners already do: that man's best friend is worth more than its retail price. "When you lose something like that, the loss is immeasurable," said Sarah Scheele, 47. "You can't just go to a pet store and buy another animal. It doesn't replace...