Because the Republican strategy has been to destroy the president at all costs -- including their own dignity -- the very idea that both parties would come together to agree on a "big deal" is a logical impossibility.
One of the reasons the U.S. economy did so well in the last half of the 20th century is that we ignored ideology in favor of pragmatism. That is no longer true. Ideology has again become fashionable. And, we are paying for it, dearly.
The USA has infinitely more economic flexibility under our current system than it would after a budget-balancing amendment, and the economic arguments against it are compelling. So what is there to discuss?
Right wing politicians are loathe to credit the New Deal with any success in hoisting the US out of the Great Depression, but credit WWII for that achievement. But that claim, however, undermines their entire premise.