NEWPORT BEACH, Calif., July 2—A Good Samaritan who tried to help during a robbery at Fashion Island regrets he couldn’t do more to prevent the tragedy. Beau Bayless, 43, of Fountain Valley, was outside Sushi Roku when he heard a woman being robbed near Barnes & Noble.ore. Beau Bayless was relaxing outside Sushi Roku when he heard a commotion near Barnes & Noble. Someone yelled about a robbery, and Bayless spotted a woman struggling with two men over her purse. He jumped in to help. “It could be someone’s grandma, could be someone’s mom,” Bayless said. “She needed help.” By