The Wall Street Journal‘s Kris Maher has an interesting read this morning in his story titled “Iowa’s House of Labor Is Split.” It’s worth a read, though you’ll likely need a subscription. In addition to some good details on which unions support which candidates in Iowa, there is this reminder:

Indeed, many members will follow their own instincts, ignoring the candidate backed by their union leadership. “I’ve had some of my own members say, ‘I’m not going to caucus for Hillary,'” says Mark Fallis, vice president of the National Association of Letter Carriers in Iowa.