Rep. Marjorie Taylor Greene, a Republican from Georgia, wants a “national divorce.” In her view, another Civil War is inevitable unless red and blue states form separate countries.

She has plenty of company on the right, where a host of others – 52% of Trump voters, Donald Trump himself and prominent Texas Republicans – have endorsed various forms of secession in recent years. Roughly 40% of Biden voters have fantasized about a national divorce as well. Some on the left urge a domestic breakup so that a new egalitarian nation might be, as Lincoln said at Gettysburg, “brought forth on this continent.”

The American Civil War was a national trauma precipitated by the secession of 11 Southern states over slavery. It is, therefore, understandable that many pundits and commentators would weigh in about the legality, feasibility and wisdom of secession when others clamor for divorce.

But all this secession talk misses a key point that every troubled couple knows. Just as there are ways to withdraw from a marriage before any formal divorce, there are also ways to exit a nation before officially seceding.

I have studied secession for 20 years, and I think that it is not just a “what if?” scenario anymore. In “We Are Not One People: Secession and Separatism in American Politics Since 1776,” my co-author and I go beyond narrow discussions of secession and the Civil War to frame secession as an extreme end point on a scale that includes various acts of exit that have already taken place across the U.S.

This scale begins with smaller, targeted exits, like a person getting out of jury duty, and progresses to include the larger ways that communities refuse to comply with state and federal authorities.

Such refusals could involve legal maneuvers like interposition, in which a community delays or constrains the enforcement of a law it opposes, or nullification, in which a community explicitly declares a law to be null and void within its borders. At the end of the scale, there’s secession.

From this wider perspective, it is clear that many acts of departure – call them secession lite, de facto secession or soft separatism – are occurring right now. Americans have responded to increasing polarization by exploring the gradations between soft separatism and hard secession.

These escalating exits make sense in a polarized nation whose citizens are sorting themselves into like-minded neighbhorhoods. When compromise is elusive and coexistence is unpleasant, citizens have three options to get their way: Defeat the other side, eliminate the other side or get away from the other side.

Imagine a national law; it could be a mandate that citizens brush their teeth twice a day or a statute criminalizing texting while driving. Then imagine that a special group of people did not have to obey that law.

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