Trump nabs crucial primary win in South Carolina: 4 takeaways

President Trump notched a critical win in the Palmetto State on Tuesday, with Sen. Darline Graham (R-S.C.) defeating Rep. Ralph Norman (R-S.C.) to clinch the GOP nod in the South Carolina Senate race. The Republican primary runoff served as another key test of the president’s influence in the GOP as several of his gubernatorial and House picks have fallen short in their primaries this cycle.   Graham, who was appointed to serve the remainder of her late…