Lindsey Graham, long hated by the Tea Partiers of South Carolina, should have faced a rough-and-tumble primary in 2014. But while it’s possible a challenger may emerge, Graham looks unlikely to face a serious competitor at this point. The reason? Graham has cultivated relationships with South Carolina Republican congressional members (which may be why none of them are stepping up to challenge him), and his huge war chest of $4.5 million is also acting as a deterrent to any would-be challengers. More details in my piece today.