A labor board hearing is hashing out how and when a vote might take place to form potentially the first U.S. union at one of America's largest employers.

Warehouse workers in Bessemer, Ala., notify federal labor authorities of plans to hold a unionization vote, teeing up a major labor battle at the retail giant known for its opposition to unionizing.

Eight out of every nine American workers don't have a union to represent them in workplace disputes. A nonprofit website is helping push for better wages and working conditions amid the pandemic.