CLIVE, Iowa, March 13 -- The Iowa Pork Producers Association issued the following news release: With March Madness kicking off next week for the men's and women's NCAA basketball teams, the Iowa Pork Producers Association (IPPA) has launched its own bracket challenge: Pulled Pork Madness. The organization is asking the public to decide the state's best pulled pork sandwich. The 16 contenders were posted late Monday. In its seventh year, Pulled Pork Madness follows a bracket-style narrowing pro  more