Amazon is heading into the final stretch of a union push in Bessemer, Alabama, with a sizeable lead over labor organizers. With nearly half the ballots counted Thursday night, 1,100 warehouse workers had rejected the union while 463 voted in favor of it. The count will resume Friday morning in Birmingham, Alabama, where agents for the National Labor Relations Board are counting each vote by hand. The Retail, Wholesale and Department Store Union, which is organizing the Amazon workers in Bessemer, said that 3,215 votes were sent in—about 55 percent of the nearly 6,000 workers who were eligible to vote. Whichever side secures the majority of the votes will be declared the winner. For Amazon, which has more than 950,000 workers in the U.S. and has fought hard against organizing attempts, a union loss could chill similar efforts around the company. Labor experts and union leaders believe, however, that Bessemer …