In South Carolina, GOP Voters decide who they want to replace the late Sen. Lindsey Graham

Sen. Darline Graham, who is serving out the remainder of her brother's term, faces a crowded field of candidates to replace him on the ballot as the Republican nominee for U.S. Senate in November.

Sen. Darline Graham, who is serving out the remainder of her brother's term, faces a crowded field of candidates to replace him on the ballot as the Republican nominee for U.S. Senate in November.