Originally Posted by mineistaken

Well it is not ironic at all. Couldn't it simply be that at those times it was easier for America to be great (even with higher taxes). Nowadays (due to globalization and jobs overseas and other reasons) it is not that easy to be of the same greatness with higher taxes. So lowering should help that.
Think more... Instead of ignorantly comparing 2 very different timelines (as already mentioned - completely different times)...