> “Going forward, consistent with the President’s direction, this Department of Justice – in a change to its longstanding practice – will not seek compulsory legal process in leak investigations to obtain source information from members of the news media doing their jobs,” Anthony Coley, Justice Department spokesman, said in a statement.
They are changing a "practice".
One uses laws to prevent practices one does not like, not "directions".
If you want a law to prevent this I'm not sure why you're criticizing Biden. He is the President, no the Legislature.
If you think there should be a law, then your complaint should be for congress.