Imagine for a moment that you have an opportunity to pretend you are killing Sarah Palin. Would you do it? Would it be cool with your morals? After all, it's only imaginary. Well an artist in New York City has thought all this through and decided that shooting Sarah or her daughter Piper might just be great fun. This woman has made it possible for passersby to line up with a gun and pretend they are doing just that. What's the harm? It's only make believe. Right. NYC Museum Exhibit 'Pokes Fun' at Palin Visitors can don a fake-fur vest...