[x]

I wasn't around at the time but I don't think anybody seriously thought that dropping the bomb would hurt Truman at the polls.

Even the pro-Soviet Progressives didn't use Hiroshima and Nagasaki to attack Truman.

Truman's problem was more the economy and some scandals. Also he was seen as a petty little man after the larger than life Roosevelt.

[Does so]

After Pearl Harbor, there was only one vote in Congress against declaring war.