I'm still in favour of capitalism - you don't really want to take away the drive and ambition to BUILD something. Our taxation system already nails high income earners. What we need is better rules to put a damper on continuing to build fortunes with money that is protected from the tax man. How much is too much? Hard to say but for example - regardless of tax shelters, income over $400,000 should be taxed at the highest marginal rate. That includes stocks, bonds, interest - anything and everything - period. You can "protect" income up to $400,000 as we do today but over and above - you chip in at the higher rate. Call it Compassionate Capitalism.