Jaime Harrison, seen here after conceding the South Carolina’s U.S. Senate election to Sen. Lindsey Graham on Nov. 3, is President-elect Joe Biden’s choice to be the Democratic National Committee chair.

COLUMBIA, SC – NOVEMBER 03: Democratic Senate candidate Jaime Harrison speaks to supporters after conceding to his opponent, incumbent Sen. Lindsey Graham (R-SC), on November 3, 2020 in Columbia, South Carolina. Graham won a fourth term in the senate with his reelection tonight. (Photo by Michael Ciaglo/Getty Images)