Maybe it's the anonymity afforded by Twitter and other sites, where people can rip into one another in hurtful ways without revealing their identities. Or maybe it's just more evidence of what has been, over the last few decades, a gradual coarsening of the culture.
Whatever caused it, this much we know: Many Americans have forgotten their grandma's admonition that if they can't say anything nice about someone, they shouldn't say anything at all.
In the case of Kang, her critics should have said nothing at all.
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