[causal]

> We've also lost the focus on clearly defined objectives for war.

Are you saying we had this in Vietnam?

And I don't think the evidence is strong that these "hard lessons" did anything to keep that same generation from supporting the pointless wars that followed.

[dualvariable]

No, I'm saying we had that in the Gulf War, and we're sliding back to Vietnam.

[causal]

Wildly different scenarios. You don't exactly get to pick how conveniently your enemy aligns themselves with objectives.