Did Gay Rights Movement Just Score with Walmart?

This is a major turn around for one of the largest companies in the US, but many commenters to this Slate article disagree. What do you think? Does the current law as it stands already protect against lgbt discrimination?

Until recently, Walmart was not exactly a corporate leader on LGBTQ equality, often waiting to provide benefits and protections to LGBTQ employees until the law compelled it. Today, however, the company is a strong supporter of LGBTQ rights—and on Friday, it made an immense impact on civil rights in the United States by implicitly acknowledging that anti-gay employment discrimination is already illegal under federal law.

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