I’ve studied nonviolent resistance in war zones for 20 years and Minnesota reminds me of Colombia, the Philippines and Syria

From coast to coast, groups of people are springing up to protect members of their communities as Immigration and Customs Enforcement and Border Patrol agents threaten them with violent enforcement.

In Portland, Oregon, community volunteers have delivered food boxes to migrant families scared to leave their homes. In Portland, Maine, nearly a thousand people turned out for a virtual American Civil Liberties Union “Know Your Rights” training event. And in Minneapolis and St. Paul, volunteers...