The South Carolinian is spending like he's in political trouble; it's not clear that he is.

The South Carolinian is spending like he's in political trouble; it's not clear that he is.

The South Carolinian is spending like he's in political trouble; it's not clear that he is.

Sen. Lindsey Graham (R-SC), who has faced primary challenges in nearly every Senate election, has never been forced into a runoff.