On a Monday night in late August, Sen. Lindsey Graham was traveling with a congressional delegation in Africa when the three Republicans who are challenging him in the 2014 GOP primary joined a strongly conservative crowd at Rep. Jeff Duncan's annual Faith and Freedom Barbecue. To listen to Graham's opponents tell it, that situation – a lawmaker who is far away and out-of-touch – is emblematic of the senator's relationship with his constituents."The people in South Carolina are very conservative, and he's been working with Obama and acting as if he's the Secretary of State, when he should be representing the people of South Carolina," said one of the challengers, Lee Bright, a state senator."He just doesn't represent South Carolina very well," said challenger Richard Cash, a businessman who nearly won a House seat in 2010. "He voted for Justice Sotomayor ... and then he did the same thing with Justice Kagan.