In wake of Jan. 6, US military struggles to curb extremism

As the Pentagon was reeling from the Jan. 6 Capitol riot one year ago – with current or former members of the U.S. armed forces ultimately accounting for 1 in 10 of those charged in the attack – military officials began putting together a plan to battle extremism in the ranks.

They decided the first order of business should be to define some terms for their troops. 

Long before the storming of the Capitol, the Department of Defense prohibited “active advocacy” of “supremacist, extremist, or criminal gang doctrine, ideology, or causes.”

But...