Teen hero alert: Joe Salmon, 17, didn\u2019t hesitate when an elderly man and his dog were trapped in a sinking Jeep on East Okoboji Lake. Battling freezing water and dangerous conditions, he smashed a window, rescued the dog, and, with help from bystanders, freed the driver. Neither suffered serious injuries, and Salmon\u2019s courage has captured the attention of the internet.
