“Reps. Nancy Mace (R-SC) and Ralph Norman (R-SC) are both still considering bids for the U.S. Senate despite President Trump endorsing Darline Graham Nordone for a full six-year term,” Axios reports.“Why it matters: A run by either could mean a messy Aug. 11 special primary to replace the late Sen. Lindsey Graham (R-SC) on the general election ballot.”