In Iraq and Afghanistan, it is very difficult to distinguish between the good guys and the bad guys. Oftentimes, after taking potshots at you, insurgents will attempt to blend back in with the local populace. Also, after an ambush, they will do the same thing if they are in a city. Think about a firefight, especially an ambush. Someone with a weapon just tried to take your life. Your heart rate is already through the ceiling and your adrenaline is pumping. At that time, you can easily tell yourself that you don't care what someone thinks because he isn't out here being shot at. You can rationalize all of your actions following a firefight in that manner if you let your emotions get the …