>to give their independent legal advice to the president.

In private, and when he tells you that you're to carry out his wishes- since you're serving at his pleasure, then you go and do your job or you resign.

If you picked a public fight with your boss in the middle of the scrum and then refused to do what he wanted when you were overruled- how long would you last?

Also- let's not forget that Office of Legal Council had already said that it's perfectly Constitutional and legal.