Top two newest posts are racist and a death threat, both such low quality that only a leftist could have made them. Obviously not authentic.
Edit: Here's an image for posterity. Looks totally authentic... http://kekpe.pe/i/5e574f5681b97.JPG
Edit 2: Gone as of 11:28 CST, plus or minus about a minute from my browser.
I don't twitter, but perhaps a notice to Posobiec about the latest fuckkery would at least give it some exposure.
Fitton might be interested too