In January, Marine Corps Times profiled Lance Cpl. Kyle Carpenter. The wounded warrior has undergone more than 30 surgeries since sustaining catastrophic injuries in a November 2010 grenade blast near Marjah, Afghanistan, but maintains a strikingly cheerful outlook on life. Most of the quotes in that story from Carpenter came from an interview I did with him at the Walter Reed National Military Medical Center in Bethesda, Md. He was refreshingly candid about his struggles — and that he had a number of goals left to meet. One of those goals was doing pull-ups again, even after his right arm…