Sen. Susan Collins (R-Maine) seemed invincible for the past 2½ decades. … But in 2020, Collins looks deeply vulnerable for reasons that say a great deal about how her party, and American voters as a whole, are changing. …
Two trends have damaged Collins. In the short term, the decline of ticket-splitting has hurt her chances at reelection. In the long term, the GOP’s turn from patrician moderation to populism is squeezing Collins — and many others like her — out of the party. CONT.
David Byler, Washington Post