Local politicians and activists are apprehensive about the upcoming Republican convention in July. “The fight I hope to lead once we get to Cleveland is that the rules that we started with are the rules that we end with,” former State Rep. Joe Carr, a delegate for Texas Sen. Ted Cruz, said. Carr was a Newt Gingrich delegate in 2012, when the RNC changed the requirements for winning the nomination. Prior to 2012, a nominee was required to have won a majority of delegates from at least five states to be on the ballot at the convention. Then, the GOP...