The crocodile hunter - Steve and the dragonSYDNEY, Sept. 4 (UPI) -- Bindi Irwin paid tribute to her late father, wildlife conservationist and television personality Steve Irwin, in a touching Instagram post this weekend."You"ll be my hero for my entire existence. I love you more than words can describe," the Dancing with the Stars champ captioned a throwback photo of her father holding her as a baby.Irwin, 18, wrote the...