A sceptical knowledge-seeking society will always welcome controversy, criticism and inquiry, even about ostensibly long-settled ideas.

And free expression plays an indispensable role in society, sorting truth from falsehood.

Jonathan Rauch is a journalist, and author of a number of books.

While a very pleasant interviewee, it will be interesting to see how many of you he will agitate.

We make comment on Pope Francis; again, he is wrong.

Two Justices of the U.S. Supreme Court issue warnings about the state of America.

And once again, we visit The Mailroom.

File your comments and complaints at Leighton@newstalkzb.co.nz

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