Editor’s note: This interview has been edited for clarity.With the war in Ukraine about a month old, the images and sounds of battle are being felt especially hard by some Nevada combat veterans who suffer from post-traumatic stress disorder, or PTSD.State of Nevada contributor and commentator John L. Smith finds that even from a distance, it’s having a big effect on those battling PTSD.MIKE PREVATT: We’ve heard long about PTSD about combat veterans and their families. War is terrible. But PTSD goes beyond war. So what is it, exactly?