In comedy very little is off limits. In fact, the more polarizing a subject is the more likely it is to end up in a joke. On a recent episode of HBO’s “Talking Funny” comedians Chris Rock goes so far as to call Louis C.K. the “N*ggerest f*cking white man…” while Jerry Seinfeld says he’s never used the word in his life. Watch the clip for highlights and click over to TVSQUAD for the full story.