coming up, we will feature two members of congress joining us to talk about a wide variety of issues. the subject of the iran nuclear deal and other topics will be with our first guest, south carolina republican representative tom rice, talking about this and other matters in diplomatic and domestic politics as and domestic politics. later on, california democrat jared huffman on the formation of a new congressional congress that wants to see more emphasis on science and moral values in the formation of public policy. conversations when "washington journal" continues. ♪ >> sunday morning on 1968 america in turmoil we look at

journal continues. us isjoining representative jared huffman, a democrat from california and the cochair of the congressional free thought caucus. guest: thanks for having me. host: is this a new caucus? guest: it is a brand-new caucus. we have a caucus for every subject you can think of. what we have done is never been done before. it is a caucus to focus on protecting the rights of people who choose not to be religious, atheist, agnostic, whatever and maintaining the secular character of our government, maintaining the separation of church and state. host: what convinced you this type of caucus was needed? guest: i have seen religion brought into the public square in ways i think is inappropriate . i think it does compromise the separation of church and state. the muslim ban is a good example. sometimes it is used affirmatively to impose some