“Rep. Nancy Mace (R-SC) is the first in what could be a crowded field of candidates expressing interest in the now-open Senate seat after Sen Lindsey Graham died suddenly over the weekend,” CNBC reports.“Graham was seeking reelection at the time of his death and was due to square off against Democrat Annie Andrews in the general election this November, in a race the Cook Political Report with Amy Walter had labeled ‘Solid R.'”“A person familiar with Mace’s thinking, who spoke on condition of anonymity, said she is ‘strongly considering’ running for the seat and would be out with polling on Monday.”Axios: Nancy Mace eyes run for Lindsey Graham’s Senate seat.