Eddie Murphy could learn a thing or two from Chris Rock. Although TMZ says even the cops consider the woman accusing Chris Rock of being her 13-year-old's babydaddy a crackpot, he's offered to take a DNA test to prove that he isn't - same as he offered to a decade ago, the last time she pulled this stunt. In the meantime, she's racked up a rap sheet that's longer than an Oliver Stone script.