How to spot a liar

Imagine you were in a jury, would you be able to spot a liar? It could be difficult or at least challenging, couldn't it? Perhaps you have never been in that situation, and hopefully you won't, so let's think of something else ... what about news? You know, nowadays in all democratic countries news are said to be biased on TV, on the net , on newspapers... i.e. depending on their political ideoligy ,they will present the same news in one way or another. Is saying half truths the same as lying?

Let's take Fox News as an example now that they are constantly being accused of transforming news in ways that suit them better. Watch the following videos so that you can get an overview of what we are talking about:

Well, what do you think now? You can carry on searching about this on the Net to shape your own opinion, but first read this information about American TV channel and then if you want you can visit its official webpage:

Fox according to Wikipedia
Fox News Boycott Lies
Fox News - foxnews.com

Now, here you have some links to webs with famous quotations about lies and famous liars:

Famous quotes about lies and liars
Liar quotes
Famous liars (presidents, media...)
National Institute of Prevarication (famous liars)

Well, now that you know a bit more about famous liars... let's come back to the starting point of this post, how to spot a liar. Here you have some clues about how to know when you are being lied. And some quizzes about lies and relationships, are being cheated?

6 tell tale signs that somebody is lying (About.com)
Quiz: Is your steady cheating (About.com)
Quiz: Are you being played?(About.com)
Quiz: Are you too trusting? (About.com)