The Invisible FrontBy: Yochi Dreazen The unforgettable story of a military family that lost two sonsone to suicide and one in combatand channeled their grief into fighting the armed forces suicide epidemic. Major General Mark Graham was a decorated two star officer whose integrity and patriotism inspired his sons, Jeff and Kevin, to pursue military careers of their own. His wife Carol was a teacher who held the family together while Mark's career took them to bases