Tuesday’s special primary runoff for one of South Carolina’s US Senate seats is an especially big test of not just President Donald Trump’s endorsement and domination of his own party, but also his chutzpah.

The primary runoff in South Carolina between Sen. Darline Graham and Rep. Ralph Norman is another test of President Trump's influence. He's backing Darline, sister of the late…

The Trump-endorsed senator and political neophyte is in an unpredictable Aug. 25 Republican special primary runoff election against Rep. Ralph Norman.