Federal labor officials found enough support among Amazon workers on Staten Island to pave the way for a union election. It could be the second union vote for Amazon this year.

The mailbox was a key reason why labor officials ruled to re-do a union election at Amazon's Alabama warehouse. For the re-vote, the mailbox got moved. The union wants it gone.

A federal labor official has ordered a revote in the biggest Amazon union election in the U.S. The agency found the company's anti-union tactics tainted the original vote that rejected unionizing.

The U.S. is dotted with more warehouses than ever. But they are overwhelmed by record-level imports, a lack of workers and a shopping spree of unprecedented proportions.

California lawmakers have passed a first-of-its-kind legislation that targets Amazon and other large warehouses. The bill, opposed by retail and business groups, now heads to the governor's office.