Michigan Democrats have passed legislation in the state House that would repeal the state's right-to-work law that prohibits public and private unions from requiring that nonunion employees pay fees.

A committee room and both lobbies of the Michigan Senate’s office building were jammed to the brim early Tuesday morning, as more than a hundred workers — many sporting union jackets — watched a Democratic-led Senate panel debate and then adopt several landmark pro-union bills. Hours later, many of ...