All those people, all over the country, searched for someone to send an offering to so it would reach the eyes of an American hero's family. They would do Google searches and see the same name pop up again and again, the one quoted in the stories on Pat Tillman: Doug Tammaro. Inside his office at Arizona State University's sports information department, the boxes of envelopes and cards stacked higher and higher, arriving in the hours and days and months after Tillman's death. There were letters and poems and sheets of music. There were copies of the Sports Illustrated cover...