Japan Post Holdings Co. said Friday its three leaders will resign en masse to take responsibility for the scandal involving a huge number of faulty sales of insurance products, vowing to restore the public's damaged trust in the former state-owned postal and financial giant.The group said its president and heads of the units Japan Post Insurance Co. and Japan Post Co. will resign, effective Jan. 5, after the Financial Services Agency ordered the subsidiaries to suspend new sales of insurance products for three months from Jan. 1 and also slapped business improvement orders on all three comp…READ FULL ARTICLE