Robert Irwin on Sister Bindi's Medical Emergency Before Steve Irwin Gala (Exclusive)

"Extra" chatted with Robert Irwin at the Steve Irwin Gala in Las Vegas. He spoke about the breaking news that his sister Bindi had to miss the gala due to an emergency appendix surgery. "My mom and my sister are currently on appendix duty, which is not something that we thought was going to happen," he said. "So, my sister has had a grumbling appendix for a while... and when the surgeons and doctors say, 'Look, we know you've been really brave. You've come all the way here to Las Vegas, we know you've got the gala, but you've got to get it taken out,' you've got to take it seriously." He went on, "So, she's getting that surgery done. I'm on...