What You Missed: Tea Party vs. Establishment GOP

As the Mississippi GOP Senate primary heads to a runoff between incumbent Thad Cochran and challenger Chris McDaniel, The Atlantic's Molly Ball explains the tension between the tea party and establishment Republicans. Many long-time Republican congresspeople "felt it was their job to get as much of that federal money as possible back to their home states" while many in the tea party want to "vote no as often as possible."