The Republican primary runoff for the Senate seat that belonged to Lindsey Graham, taking place today in South Carolina, is considered an important test for Donald Trump ahead of the November elections. The president has indeed invested a significant amount of time, political

Sen. Darline Graham and Rep. Ralph Norman are wrapping up their campaigns for South Carolina's Republican nomination in a special U.S. Senate primary.

The investment comes as President Donald Trump attempts to brush off a string of primary losses, with his 10th endorsed candidate losing last week.