[liberallarry]

The isolationists were not having huge televised protest demonstrations that the enemy could use for propaganda, for one

Of course, they didn't - commercial television didn't yet exist. But they did have huge demonstrations that the enemy could and did use for propaganda - and some were openly sympathic to the Nazis.

[Bush2000]

Of course, they didn't - commercial television didn't yet exist. But they did have huge demonstrations that the enemy could and did use for propaganda - and some were openly sympathic to the Nazis.

There was a credible argument that the Nazis did not pose a threat to the United States proper; since national security was not at risk, protesting the war in Europe was not treasonous. This differs substantially from Iraq in that we know that Hussein possessed (and was holding talks with non-state terrorists such as Al Quaeda whose stated purpose was killing Americans) weapons of mass destruction capable of killing hundreds of thousands of Americans.