Why are most debates regarding the rate of taxation held in the context of how much the populace can bear, rather than in the context of how much the government should be spending? It should be obvious, given human nature, that if you install a system of coercive wealth redistribution, the coercer is going to attempt to increase the scope of the system continually, regardless of how much he needs, or how much the coerced need him. If we instead focused on having a constitutionally limited government, then we would have the answer to the tax rate question, and we could then perhaps attempt to apply it progressively.