typical US arrogance though unfortunately they are the only ones in modern history cruel enough to do it eg Nagasaki, Berlin, Hiroshima, Iraq etc).
Bomber Harris doesn't get off the hook that easily. While the USAAF tried (ussally in vain) to hit industrial sites with daylight raids. the UK's Bomber Command targeted the enemies civillian population. Going so far as to deliberately fire bomb a city packed with refugees possibly killing more people than died in either one of the A bomb attacks individually.
Germany levelled scored of cities
Saddam lobbed mustard gas into Iranian cities
Japan depopulated whole regions of China
Kim Jong Il has threatened to turn Seoul into a sea of fire
Syria tried to divert the Jordan river to kill Israel
Saddam poisioned the Persian Gulf
Syria, Jordan, Egypt, lebanon, and Iraq tried to finish the Holocaust
Osama Bin Laden has killed thousands in asingle attack
Iraqi extremist or AQI blew up one of the countries most important mosque
The US is hardly the only one with the will or the wherewithal to do it, the lone thing that sets us apart is once the war is over we pitch in and help with the rebuilding.