> How much would taxes have to go up (because spending can't go down, right?) for citizens to contribute their fair share of paying down the debt?

this seems like a weird statement. what is "fair share"? i am a middle class person with a job with fantastic benefits, yet i easily pay over 30% in taxes (probably closer to 40% if one really counts all the "hidden" taxes) and still have to put up with shit infrastructure, terrible public transportation, expensive non-public transportation, expensive insurance, etc. at what point is it considered that i and others are paying our "fair share"?