Not getting my hopes up
I believe this to be real. Judge Sullivan asked for all possible exculpatory evidence whether Mueller and his team believe it relevant or not and he himself will determine whether its relevant or not. Mueller cant escape; if he tried to withhold evidence then somebody, even if its one person will leaked whats out there and then Mueller will be forced to leave for hiding evidence against a Judges order and thats before his chances of trying to draw up Obstruction of Justice against Trump. Mueller might as well try to take the lumps of Flynn charges being dropped and see where it goes than to risk it ALL to have his cake and eat it too