We should allow our federal government to oversee the supply of currency, defend our borders , and deliver the mail.
Until they can do those things right, letting the federal government do anything else shouldn't even be considered.
State governments should be restored the responsibility of providing all other services within their borders.
The most powerful law enforcement agency in the United States should be your local police department or county Sherriff.
I wouldn't trust cops to be the most powerful people in their family much less the whole country