When Marine sniper Jake Wood arrived in the States after two bloody tours in Iraq and Afghanistan, he was not leaving war behind him - far from it. Ten years after returning home, Jake's unit lost more men to suicide than to enemy hands overseas.  He watched in horror as his best friend and fellow Marine, Clay Hunt, plunged into depression upon returning, stripped of his purpose, community, and sense of identity. Despite Jake's attempts to intervene, Clay died by suicide, alone. Reeling,...