There are no easy ways to explain the individual tragedies of war. We all got a reminder of that this weekend as the Houston Chronicle published a touching story about members of 1st Battalion, 23rd Marines, out of Houston, returning the wedding ring of a fallen friend, Staff Sgt. Jeremy Smith, 26, to his wife. Rachel Smith, 25, received the keepsake on Saturday from Sgt. Jarred Hammonds, who is credited with rooting through the dirt where Smith died April 6 for a long period of time to find it. Staff Sgt. Smith and Hospitalman Benjamin Rast were reportedly killed by…