The Senate: Looking Beyond the “Core Four” By Kyle Kondik and J. Miles Coleman
There is a widespread consensus that, in the battle for the Senate, there are four races that may effectively decide the majority.
Dubbed the “core four” by one operative, the races in Republican-held Arizona, Colorado, Maine, and North Carolina are the ones that the Democrats seem to have the best chance of flipping. (For sports fans, the “core four” term may ring a bell: It describes the four players at the heart of the New York Yankees’ dynasty of the late 1990s and early 2000s.)