Weeks after MSNBC host Melissa Harris-Perry and a guest panel gleefully mocked the Romneys for adopting a black grandchild, the network sent out a tweet suggesting that the “rightwing” writhes with rage at the sight of a biracial family.

Imagined conservative hatred of minorities is a favorite theme of progressives. Back in November, Washington Post writer Richard Cohen claimed Republicans — or strangely, people with “conventional views” — “must repress a gag reflex” when they saw New York City Mayor Bill de Blasio’s multiracial family. Amusingly, he drew the ire of fellow leftists who quickly branded him a racist for calling the tea party racist. (RELATED: MSNBC panel makes Romney’s black grandchild the punchline)

MSNBC’s tweet also comes hot on the heels of Harris-Perry’s sniveling apology for cruelly mocking an innocent child. Before she made a national disgrace of herself, Americans generally recognized her as the woman wearing tampon earrings and claiming Obamacare was “the new n-word.”

Even left-leaning publications took issue with MSNBC’s vitriol.

MSNBC’s broadsweeping assumption that all conservatives hate interracial marriage gives you an indication of what they’re all about. — Dylan Byers (@DylanByers) January 30, 2014

MSNBC has not commented on or apologized for their vulgar tweet as of press time.

UPDATE: MSNBC tweeted an apology late Wednesday evening blaming their unruly Twitter feed for spitting hate autonomously. Kids these days!

Earlier, this account tweeted an offensive line about the new Cheerios ad. We deeply regret it. It does not reflect the position of msnbc. — msnbc (@msnbc) January 30, 2014

We are deleting the earlier offensive tweet. It does not reflect msnbc’s position and we apologize. — msnbc (@msnbc) January 30, 2014



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