walmart is a giant in the world of retail. they have more than two million employees, a presence in 27 countries around the globe and took in nearly $447 billion in revenue just in 2012. they are the largest private employer in the world with sales greater than microsoft, google, and apple combined. their annual income is greater than the entire country of argentina. they are at the top of the retail game, which is one of the reasons why they set the standard for how the entire retail industry decides to treat its workers. and walmart workers have made some shocking claims against their employer. walmart's faced everything from lawsuits and allegations of wage theft to unsafe working conditions to racial and gender discrimination. >> there are now 1.6 million plaintiffs alleging walmart discriminated against women. >> but it's when workers try to improve conditions that things get ugly. like other corporations, walmart is widely viewed as aggressively