Record breaking athlete Aimee Mullins delivers an outstanding talk that properly redefines the word 'disabled'.

The thesaurus might equate "disabled" with synonyms like "useless" and "mutilated," but ground-breaking runner Aimee Mullins is out to redefine the word. Defying these associations, she shows how adversity — in her case, being born without shinbones — actually opens the door for human potential.