A small-town Colorado teen was recognized by first responders in Brush after applying the lifesaving skills he learned at school to save a family member—his dad. Mother of 14-year-old Aidan, Heather Christenson, recalled how her husband, Fred, had upon hearing a joke at the dinner table last month laughed and began to choke on a morsel of food. When eighth-grader Aidan, who was in his room listening to music, heard his distressed dad choking, he leaped into action, brushing past his mom so quickly that he accidentally bumped her to the floor. Amazingly, 100-pound Aidan performed the Heimlich on his 200-pound dad, literally lifting him off the ground twice, and expelled the obstruction from his airway. Heather, meanwhile, had grabbed the phone to dial 911, but the emergency had already passed. After the incident, Aidan recalled what prompted him to act so quickly. “I knew by the time a 911 …