you have 8 years max. So you change the top and let them do the rest in their agencies. A bad dept head can stifle the good work of thousands of employees. been there, done that.
There are more than 100,000 DOJ employees, the overwhelming majority hate Trump. Pres. Trump has appointed a few hundred, but it’s clear that many if not most of them hate Trump also
That mob isn’t going to take any action that helps Trump without telegraphing it far ahead to the Clinton-Obama-McCain cabal.