https://www.reuters.com/article/us-amazon-com-union/amazon-union-tussle-over-identifying-witnesses-as-u-s-labor-board-starts-hearing-idUSKBN2CO1YH >Amazon.com lost a tussle on Friday over whether it could learn the names of witnesses before they testify at a hearing investigating claims that the company illegally interfered with a vote on unionizing an Alabama facility.