At a few minutes before 8 a.m. on a weekday morning in Minneapolis, there’s a small crowd of people waiting for the front door of the Seward Community Co-op Friendship Store to slide open for the day. They stand under a sign that says, “Everyone Welcome,” and it seems true when Jerry Williams, a department manager, arrives to unlock the door. “Let me at ‘em!” he says and greets the waiting shoppers like old neighbors, even…