Edgar,<br/><br/>Wrong. People can, and do, take decisions to act altruistically 
even though such an action is detrimental to themselves *and* their social 
group. You seem stuck in some 1950's behavioural science model. I bet you still 
think McDonalds serve their burgers on roller-skates! ; 
)<br/><br/>Mike<br/><br/><br/>Sent from Yahoo! Mail for iPad

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