Americans in search of family oriented domestic travel, safe and inexpensive, are buying trailers and RVs in record numbers. At the same time--with fantasies of Lauren Bacall sipping an extra-dry Gibson against a gleaming metal doorway in Palm Springs and Lucy and Desi's madcap Long, Long Trailer trip--they crave the vanished luxury and quirkiness of antique auto trailers. Those simpler, slower days of freedom and security are being recaptured in...