As soft and cuddly as dogs are, some of them cross the line when protecting their home and owners. They attack humans and leave them with serious injuries requiring reconstructive facial plastic surgery. An average of 4.7 million people are bitten by dogs every year, and children are three times more likely to be bitten than adults are. Approximately 600,000 children require medical care after a dog bit every year, and most of them are in grade school. When a violent dog attack occurs, most...