Agreed. I think a graduated income tax was that limit--I'm sure a percentage could be found where really rich people pay a lot in tax, but they also get to keep a lot. Could we start there? This nonsense with rich people paying absolutely no taxes doesn't make any kind of mathematical sense. https://www.propublica.org/article/the-secret-irs-files-trove-of-never-before-seen-records-reveal-how-the-wealthiest-avoid-income-tax