No. experiments show they understand it inherently.
Some do, some don't.
I was never able to get our otherwise brilliant Cairn to look anywhere but the end of my finger.
posted on 10/14/2013 8:56:23 AM PDT
by null and void
(I'm betting on an Obama Trifecta: A Nobel Peace Prize, an Impeachment, AND a War Crimes Trial...)
To: null and void
My old dog surely does, and I never trained him to do anything but lay down and sleep.
posted on 10/14/2013 8:59:15 AM PDT
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