Dual announcements by U.S. Rep. Madison Cawthorn and N.C. House Speaker Tim Moore have shaken the Republican establishment of Mecklenburg County — potentially the new stomping grounds of North Carolina’s most controversial politician. Cawthorn said Thursday that he would run for the newly-created 13th congressional district, a seat political observers had assumed Moore would seek. Once Cawthorn announced his move, Moore promptly said he would stay in the state legislature. It also created an opening in western North Carolina, where Democrats have been campaigning for months in hopes of unseating Cawthorn. One of them, Jasmine Beach-Ferrara, has already raised more...