I can see a car crash of Dem governors claiming to be sensible moderates (while being huge pussies re: crime, immigration, etc.) with an actual hardcore lefty accumulating substantial support until either there is coordinated dropout to help the strongest polling governor, or the lefty wins. Lefty gets destroyed by VP Dakota Doug, "moderate governor" is close.
Dems have 2 potential routes- ones that could determine American politics for years.
1) 2028 becomes 1896, Dems nominate Whitmer or Shapiro and romp to a clear victory. With midterm Senate victories in AK, TX, NC, the party is center-left and enters 2029 with 53-54 Senate seats and seeks to grow its coalition further.
2) Dems go straight into the dumpster with the antisemitic protestors. 2024 is a breaking point and 2026 is a disappointment where Dems merely hold their current senate seats but cannot win AK/TX/NC or anything more. The anti-Israel rhetoric continues and the party becomes a mirror image of Elizabeth Warren and AOC. The communist and islamist slogans become constant and the only people who enjoy working in politics are the Corbynites. Moderate Dem senators in MI, AZ, MI, NV over the years just call it quits. Places like Lackawanna, PA vote 61-38 R.