In Las Vegas, during the Route 91 Harvest Festival shooting, a determined father jumped into John Zerquera-Jimenez's taxi and urged him to race toward the danger."I've got to get my daughter," he pleaded. "There's a shooting—hurry!"John, a father himself, didn't hesitate. "No, no, man. I'm a father, too. I can do that for free," he said, speeding toward the chaos as the dad stayed on the phone with his terrified daughter, Ashley, urging her to stay calm.They met at a Motel 6. Ashley and her husb