Amazon workers at seven warehouses walked out Thursday morning, launching a strike ahead of the holidays after Amazon failed to meet a bargaining deadline set by the Teamsters union representing the workers. In a press release, Teamsters declared it "the largest strike against Amazon in US history." Teamsters general president, Sean O'Brien, warned shoppers of potential delays, saying "you can blame Amazon’s insatiable greed." "We gave Amazon a clear deadline to come to the table and do right by our members.