An aging Iditarod legend whose twinkling blue eyes and celebrity charm are as famous as his athletic feats, Lance Mackey is doing everything he can in 2012 to stave off what he calls “the inevitable” — forced retirement under the grips of a body so battered it can’t keep up.Yet in nearly the same breath that the four-time champion made that foreboding admission, he coupled it with lofty aspiration. He wants to join Rick Swenson as the only musher to claim five victories. Read more here: http://www.alaskadispatch.com/article/can-lance-mackey-win-fifth-title-or-iditarod-dynasty-over