An appeals court Thursday upheld a man’s conviction for shooting at another driver, despite claims the attack was triggered by post-traumatic stress disorder from the Iraq War. The 1st District Appellate Court affirmed a lower court decision that PTSD was not primarily responsible for the incident and that the veteran was not simply acting in self-defense.The trial judge in the case ruled there was no doubt Wendell S. Frazier, a former convoy rear gunner who served two tours in Iraq, suffered from PTSD. But he declined to …