Ann Coulter's most recent hatchet job (I mean the phrase in the most positive sense) is a hilarious demolition of Ward Churchill's claims to be a Native American. My favorite bit was this line:
In the early '90s, he hoodwinked an impecunious Cherokee tribe into granting him an "associate membership" by telling them he "wrote some books and was a big-time author." A tribal spokeswoman explained: He "convinced us he could help our people." They never heard from him again — yet another treaty with the Indians broken by the white man.
You've got to read the whole thing.