That's another angle here: pretend you're Truman. Do YOU want to be the guy explaining to your fellow Americans that you sat on the Bomb for months, and let our men die as the war drags on?
And this whole Monday Morning QB about "they were going to surrender", as if we had had flawless intel (ahem, Pearl Harbor) the entirety of the war, and Truman could count on ANYTHING he heard from our intel sources....let alone think that the intel on, say, Japan not wanting to surrender to the Russians, was an iron clad fact.
We hit them once, they didn't surrender. Yeah, debate how many days between the two bombs was reasonable, but bottom line, they didn't surrender after the first hit, folks. This isn't Monopoly or Hungry Hungry Hippos.
Say what you want about the racial angle....are we discussing the topic, or not? And that's a good thing, right? So thumbs up to those who try to inject race into an already complicated question--------why NOT consider that notion? There's nothing wrong with considering an idea. And if you disagree with the idea? Great. And if you don't? Great. All part of the discussion.