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This is CBSI on the world. I'm John Batchel. Financial Times, London reporting.

US charges ex-FBI chief James Comey, who investigated Donald Trump's alleged Russia ties, subhead.

Indictment comes just days after U.S. President called for a swift prosecution of his opponents.

I welcome my colleague, Professor Richard Epstein, teaches law at NYU and the University of Chicago.

He's at the Civitas Institute, the University of Texas at Austin.

Richard, a very good evening to you.

Thanks for having me, John.

The advice from Machiavelli, I think that's a few centuries ago,

men ought either to be well-treated or crushed because they can avenge themselves of lighter injuries, of more

serious ones they cannot. Therefore, the injury that is to be done to a man ought to be of such a

kind that one does not stand in fear of revenge. I believe that's an Italian genius's way of saying,

when you strike it a king, you must kill him.

Yes, there's always one problem with that theory,

...