Welcome to our world, Alan. The Left is one of the most destructive entities in human history.
First of all, Dershowitz left the Dem's due to what he conceived to be an anti-Israel mood. Dershowitz is a Jew himself and as such, very sensitive to that issue.
Nonetheless: While he has shifted to the Republican party, Dershowitz has noted that he still
disagrees with the GOP on issues like abortion, immigration, and taxes, but is prioritizing the Israel issue. He has stated that his goal is to help ensure the Democrats lose control of Congress, hoping this will force them to move back to the political center.
It is important to note that the shift has not been against the Jews but against Netanyahu's approach and actions against Gaza, which have been (in my opinion) way overdone and should be criticized.
AI Overview
Based on data up to early May 2026, the Democratic Party has experienced a significant shift towards opposing the actions of the Israeli government, rather than a monolithic move against Jewish people as a group.
In addition, and addressing the shifts from one party to the other since 2016, here is a
VERY TELLING statistic:
Educational and Racial Shifts: White voters without a college degree have moved toward the Republican Party, while white college-educated voters have trended toward the Democratic Party.
This means the Republican party has seen more dumb people that can't think move over to them, the Democrats are getting smarter.