software development company; and phillip carter, a senior fellow with the center for a new american security-- he served nine years as an army military police and civil affairs officer, including one year in iraq. he also served at fort hood. we thank you both for being here. doctor xenakis, let me start with you. we're talking about a 34-year-old soldier who did spend four months it in iraq after the end of combat operations. he was being treated, we are told, for a variety of mental health and behavioral issues. he was taking some medication. he was being evaluated for ptsd. there may have been an argument. what does all this is a to you? >> well, i mean, it's a tragic event. it's sad for everyone, and really sad to see another one of these incidents happen at ft. hood. it just goes to show that these people who come in and soldiers or veterans, need to be really looked at carefully. and i know people are trying