WADESBORO, N.C. -- By the end of the summer, towns such as this will be flooded with national reporters covering the special election for the 9th Congressional District. In normal times, reporters would ask voters how they think Republican Dan Bishop or Democrat Dan McCready would represent their local concerns in Washington. But these are not normal times. Instead, the questions will mostly be about Donald Trump, and about Kamala Harris or Joe Biden or Pete Buttigieg. The very existence of this race is abnormal, in fact. Voters in this district, which reaches from here to central Charlotte, have to...