Original sentence: Sommers disagrees that she 'attacks the basic claims of feminism', because she strongly supports fundamental forms of feminism, while at the same time strongly challenging modern forms of feminism
Edited sentence: Since Hoff Sommers considers herself a strong backer of feminism, the pejorative label 'anti-feminist' seems a contradictory classification by radical feminists who seem to see their forms (or what Hoff Sommers calls 'gender') of feminism as the only form of feminism.Sommers disagrees that she 'attacks the basic claims of feminism', because she strongly supports fundamental forms of feminism while at the same time  strongly challenging modern forms of feminism