Conversation so far:
What is Sam Harris' view on Islam?
Sam Harris considers Islam to be especially belligerent and inimical to the norms of civil discourse.
Does Sam Harris' write about his view on Islam?
Sam Harris's writing focuses on philosophy, neuroscience, and criticism of religion, for which he is best known, and he has written for a variety of outlets.
Where did Sam Harris' debate happen?
Sam Harris engaged in a lengthy debate with conservative commentator Andrew Sullivan on the Internet forum Beliefnet.
Was there a specific topic for Sam Harris' debate with Andrew Sullivan?
Andrew Sullivan defended religious moderates in a series of exchanges with Sam Harris in which Harris maintained that religious moderates provided cover for fundamentalists.

Question: Does it state when he started speaking out against Islam?
Self-contained rewrite: Does the Sam Harris article state when Sam Harris started speaking out against Islam?