Episode #3~ Of Idioms and Euphemisms

Where did the saying "Even a blind hog picks up an acorn every now and then" come from? Inquiring minds want to know. Also, how do euphemisms describe life, and death, on the farm? Finally, Acorn will ask where do you get your food, and just how comfortable or close do you want to get to the source? People have picked out lobsters from tanks at restaurants for years, but could you look your burger in the eye?