This is real:
Cass Sunstein, a Harvard law professor, co-wrote an academic article entitled “Conspiracy Theories: Causes and Cures,” in which he argued that the government should stealthily infiltrate groups that pose alternative theories on historical events via “chat rooms, online social networks, or even real-space groups and attempt to undermine” those groups
This is The Onion:
I’d introduce the two of you, but it seems you’ve already met.
(Original link via Stuart Sharpe)