Donald Trump endorsed incumbent Lindsey Graham in the 2026 South Carolina Republican primary for Senate. Trump criticized Graham's primary opponents, Mark Lynch and Paul Dans, in a series of Truth ...

So let's take a look at the landscape, in order of most to least likely to flip. Tier 1 is most likely, Tier 2 is competitive but less likely, and so on. Race rating denotations (Toss-Up, Lean, etc.) ...