Our roving correspondent, Paul O’Connor, whiled away some driving time by listening to a true story that could provide ample fodder for a prime-time TV soap. Reviewed by Paul T. O’Connor THE HILTONS: THE TRUE STORY OF AN AMERICAN DYNASTY. By J. Randy Taraborrelli. Hachette Audio. 16 CDs. 19.5 hours. $35. Read by Robert Petkoff.…