Those who really believed it would advocate taxing the poor more to give to the rich: those who use the entire construct simply to support their pre-extant desire to tax the rich (or reduce inequality, increase social justice, fill in your favourite phrase here) would not.
The QDR proposed that the minimum airlift capacity to support the two-war construct was approximately 50 million ton-miles per day with an additional surge sealift capacity of 10 million square feet.
"The 90%" who supposedly support gun background checks is an even more evanescent construct--the result of a poll, which presumably questioned a few hundred randomly called people, few of whom likely had thought deeply about the subject.
You can talk and you can meet and you can extend a hand, but if what you construct working with the other party, the other party is then unwilling to support, you can't -- that's the example of just being unable to -- you can't do that.