A little old lady is walking down the street, dragging two plastic garbage bags with her, one in each hand. There's a hole in one of the bags, and every once in a while a $20 bill is dropping out of it onto the pavement. Noticing this, a policeman stops her...."Ma'am, there are $20 bills falling out of that bag..." "Damn!" says the little old lady....."I'd better go back and see if I can still find some. Thanks for the warning!" "Well, now, not so fast," says the cop. "How did you get all that money? Did you steal it?"...