The young climate activist was widely celebrated after her speech at the United Nations. But critics have said she is being used, and a conservative commentator compared her likeness to Nazi imagery.
Fox News has apologized for a guest's "disgraceful" description of environmental activist Greta Thunberg as mentally ill but was silent Tuesday on Laura Ingraham likening her to a murderous cult of children from a Stephen King story.
Greta Thunberg, after pointed U.N. speech, faces attacks from the right