Today's extremists, including these Proud Boys, tend to be amorphous. Credit: Stanton Sharpe/SOPA Images/LightRocket via Getty

Since last year’s tumultuous election, the United States has been plagued by endless discussion about how the country should heal its political division. Often this has taken the form of mindless platitudes, as demonstrated by President Biden in his inauguration speech last week. But if there is any hope of bridging today’s tribal political divisions, serious reflection is needed. And what better place is there to start than by assessing why both the Left and the Right seem incapable of reining in their extremes?
In theory, the American political mainstream believes that extremism is not acceptable. The minute that people take up arms or act violently against agents of the state is the point at which all democrats (with a small “d”) unite in condemnation. In practice, too, that theory is borne out: a recent Washington Post-ABC News survey found that 89% of Americans denounced the actions of the Capitol rioters.
In the past year, however, both the Left and Right have seen political violence carried out in their name — and both have floundered in their responses to it. Just as the recent Capitol riot tainted the Right, so the violence of last summer’s protests following the death of George Floyd shamed the Left. Yet while both sides have been at fault, neither seems any closer to facing up to that fact. Instead, both prefer to the blame the other, all the while denouncing the unfairness of their own treatment.
The consequences of this are deeply worrying. Polls show that almost a fifth of Republican voters feel some support for the actions of the Capitol rioters. That is a significant, and concerning, chunk of the Republican base. But it is analogous with those on the Left who continued to support the Black Lives Matter movement, even after weeks of nationwide rioting and looting. Indeed, three months after the protests began, 28% of the American public continued to express “strong support” for the movement — a fall of just under 10% in three months.
So why have both the Left and Right struggled to control their extremes? It seems to me that there are three principal reasons. The first is a by-product of the information age: namely, that today’s fringes are amorphous. In 1964, when then Republican candidate Barry Goldwater sought to draw a clear line between the conservative movement and the far-Right, he was famously urged to excommunicate the extremist John Birch Society. In recent weeks, people have called on Republicans to do the same with the “alt-right” and those associated with the Capitol riots. Last summer, meanwhile, many thought it would be shrewd for the Democrats to disassociate themselves with BLM and Antifa.
The trouble, however, is that today, unlike with the John Birch Society, political groupings on both the Left and the Right rarely meet physically, while their leadership and membership structures are anything but clear. It’s all very well demanding that the Republicans sever ties with the “alt-right” — but how do you decide who is “alt-right” and who is not? On the other side, how — other than referring to the law — do you identify which parts of BLM are acceptable and which are not? The answer may not be impossible, but it is certainly harder than in the past.
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