U.S. Department of Agriculture

In 2009 when Tom Rooney joined the U.S. House of Representatives for Florida's 17th Congressional District--a Southwest portion of the Sunshine State--he assumed passage of a bill to permanently ban the commercial slaughter of horses, along with their export for such purposes, was a slam dunk. "I did not think that this was going to be a controversial issue," said Rooney, now the president and CEO of the National Thoroughbred Racing Association (NTRA). "It immediately became one of the most contentious, where I was like, 'yeah, I oppose horse slaughter...