Nearly 40 years after the Philippines began hunting for the billions of dollars plundered during former dictator Ferdinand Marcos's regime, much of the loot is still missing and no one in the family has been jailed.There are fears the rest may never be found if his son and namesake wins next week's presidential poll, which would put him in charge of the government agency leading the global search.The elder Marcos, his flamboyant wife Imelda, and their cronies are estimated to have s