Santorum Surge Brings Ethics Questions

"Perhaps the most jarring detail from his tenure in office is the unorthodox $500,000 mortgage that Santorum and his wife secured on the home in rural Virginia they had purchased for $643,361. According to a series of reports in the Philadelphia Daily News, the mortgage came from Philadelphia Trust Company, a fledgling private bank catering to "affluent investors and institutions" whose officers had contributed $24,000 to Santorum's political action committees and re-election campaign."