We all know the answer to tax reform: We want a low-rate, consumption-based tax system. And whether it's a flat tax or a sales tax, that's all gravy; they're different sides of the same coin.
If they've pretty much given up on Social Security then what other choice do they have? Whether or not it's politically feasible remains to be seen, but at least it will use up some of the oxygen in the room and crowd out bad ideas.