Nightmare of a TripBy: Maureen Kilmer This is one family getaway theyll never forget . . . Leigh Somerset wants to spend some quality time with her kids before they grow up, and her husband has always fancied himself sort of a Clark Griswold figure. So the Somersets will be spending their family vacation on the road, driving from suburban Milwaukee to Orlando, Florida. Already off to a rocky start, they stumble upon an abandoned, half burned down farmhouse in Indiana,