"Now envision the same scenario as above, but this time Obama shows up on a white horse, dismounts, points a gun to my head, and compels me to share my sandwich. Now I have not done a good deed, since I only shared my sandwich under duress. I gave not out of charity but out of fear. The receiver is not grateful to me; why should he be? He knows that I didn't give voluntarily. So the free sandwich does not provoke a feeling of appreciation; indeed, it is more likely to instill a feeling of entitlement. "I'm still hungry. Why am I getting only half a sandwich?" So even though the result is the same--I and the other guy each end up with half a sandwich--the morality has been completely stripped out of the transaction." --