The poor pay all sorts of tax
Any goods that are sold with tax as part of their price tax the purchaser and in a totally regressive way
Gen was of course talking about (as he stated) the federal income tax -- not "tax".
And if 47% of Americans pay no tax you should be ashamed as it is because they are one or more of the following
Out of work
Paid very low wages
Crooked
Or -- it could be because of actual factors and not hyper partisan BS -- such as:
- a progressive rate structure and a standard deduction;
- the Earned Income Tax Credit, which significantly reduces tax liability for the lowest earners;
- the per-child tax credit, which significantly reduces tax liability for low- and moderate-income families with kids.