Few people expected South Carolina to be a competitive Senate battleground a week before Election Day. A Democrat hasn’t won statewide office in South Carolina in more than a decade, President Donald Trump is easily outpacing Democratic presidential candidate Joe Biden, and the three-term incumbent, Republican Lindsey Graham, won his last re-election contest by more than 15 points. Even fewer people expected the Democratic candidate, Jaime Harrison, to become a sensation who shattered the record for the highest quarterly fundraising total for a Senate candidate in U.S.