Source: Fox/Screenshot The Fox network aired a tribute to the United States of America and its flag before Super Bowl LIV kicked off on Sunday. The ad featured Medal of Honor recipient Cpl. Kyle Carpenter, families of victims of the 9/11 terrorist attacks, and had Johnny Cash's "Ragged Old Flag" as its soundtrack. The ad also features owners of various NFL team owners telling how Cash wrote the song and praised America's military men and women. Carpenter received the nation's highest medal for military service while he was with Company F, 2d Battalion, 9th Marines, Regimental Combat Team 1,...