Beatrice: I'm currently reading a book by Juan Williams entitled "Muzzled: The Assault on Honest Debate. Crown Publishing Group. 2011. ISBN 0307952010." It has a lot to say about the contemporary media in the USA, of which he is a part, and none of it is complementary. I recommend it for your "to be read" pile. When we see a murder trial through the eyes of the press and TV, we see income from sales of commercials and advertisements, and numbers for ratings, dictating content. I think the basic concept of "innocent until proven guilty" that allegedly drives our system of justice has much that is good within it, even when it makes mistakes.
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