In the prologue of my new book He Made Us Better: A Story of Faith, Family, Friends (and Football), I tell how our son Peter had incorporated legendary Notre Dame football coach Knute Rockne’s famous words, “When the going gets tough, the tough get going,” into the core of his being. Peter was born with a serious birth defect, which led to a lifetime of physical challenges and medical complications. Scores of surgeries and lengthy hospitalizations were a way of…..