Part of the Kohler factory peeks over homes in the small town of Kohler, Wis. The two-tiered wage scale at the company became a rallying cry, as veteran workers joined the fight to boost pay for their newer colleagues.

Part of the Kohler factory peeks over homes in the small town of Kohler, Wis. The two-tiered wage scale at the company became a rallying cry, as veteran workers joined the fight to boost pay for their newer colleagues.