FULL TITLE: 'I have done absolutely nothing wrong': Four-time Iditarod winner speaks out after being accused of DOPING his dogs in preparation for the annual long-distance sled race Four-time Iditarod champion Dallas Seavey denied Monday that he administered banned drugs to his dogs in this year's race and said he has withdrawn from the 2018 race in protest over the allegations. 'I have never given any banned substance to my dogs,' Seavey said in a video posted to his Facebook page. He didn't immediately return calls to The Associated Press after the Iditarod Trail Committee identified him as the musher...