When Democratic Party controlled the federal government, they tried to. It is generally hard to do because it requires funding and passing laws. Another difficulty is that voters don’t reward Democratic Party for their efforts.
It is very easy for Republican Party to revert the changes. Moreover their donors reward the republican politicians for their efforts and their voters don’t punish them for their efforts.
When Democratic Party controlled the federal government, they tried to. It is generally hard to do because it requires funding and passing laws. Another difficulty is that voters don’t reward Democratic Party for their efforts.
It is very easy for Republican Party to revert the changes. Moreover their donors reward the republican politicians for their efforts and their voters don’t punish them for their efforts.