The bills that are emerging this year are part of a broader trend among conservative legislatures attacking perceived liberal teachings in high schools and public universities.
The partisan divide between those who go to college and those who do not is one of the firmest divides in American politics today, and it has reinforced diverging attitudes about the value of higher education itself and the role it plays in American life.
Republican voters are increasingly suspicious of colleges and universities, and attacks on tenure are just the latest way the party is stoking those concerns.
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