So, two things seem true:
1. We can't materially raise more revenue with higher taxes, and
2. We can't really cut spending in any practicable sense.
There is some hope GDP could grow faster than debt, at best, but even that gets tougher and tougher the longer we overspend at this level. One could hope somehow government gets more efficient, but I view that also as impracticable. I was in a large organization not nearly the size of government and the waste was really bad there as well, it's inherent.