If my spies are correct, we are going to get the answer to both of your questions fairly soon. There is good reason to believe that the unpublished memos are circulating in increasingly wide circles within the Beltway. It would appear that at least two journalists have either seen them, or have been briefed on what is in them. Once a thing like this leaks past a certain point, there is no putting it back in the bottle.
It appears as though Hatch decided on his own to "handle the problem" within the Judiciary Committee, as opposed to getting any sort of law enforcement involved. That's very "Gentleman's Club" of him, but depending on how cut-and-dried the bribery evidence is, he may come to regret that a whole bunch. From what I hear, we could see people doing the perp walk in handcuffs over some of the stuff in those memos.
From your keyboard to God's ears.