For the record, we should be ashamed of Hiroshima and Nagasaki. What was the alternative? (Consider the context of several years of all out war all over the globe)
The same thing that happened when the allies eventually crushed Germany; sick ranks upon ranks of Red Army conscripts on them.
"Don't worry about people stealing your ideas. If your ideas are any good, you'll have to ram them down people's throats." -- Howard Aiken