Amazon beat back the most significant labor drive in its history on Friday, when a tally showed that workers at its giant warehouse in Alabama had voted decisively against forming a union.Workers cast 1,798 votes against a union, giving Amazon enough to emphatically defeat the effort. Ballots in favor of a union trailed at 738, less than 30 percent of the votes tallied, according to federal officials. The lopsided outcome at the 6,000-person warehouse in Bessemer, Ala., dealt a crushing blow to labor organizers, Democrats and their allies at a time when conditions have been ripe for unions to make advances.Amazon, …
