In today's world where fast-food restaurants, soda, and processed foods reign supreme, does "fat dad" have to mean "fat kid"? Digital entrepreneur and beloved vlogger Shay Butler and his preteen son, Gavin, decided to find out the answer for themselves. Before Shay became famous for vlogging about life with his boisterous brood of five, known on YouTube as the Shaytards, he was like many other American dads: He worked 9 to 5 to pay the bills, ate...