It's not likely to happen for any number of reasons, but Glenn "Instapundit" Reynolds has proposed appointing the VC's very own Randy Barnett as the next Attorney General. For what it's worth, Randy has my full support! He'd be a major improvement over both the incumbent AG and his recent predecessors.
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I'm not sure what you mean by "recent", but I'm sure he'd be more qualified than anyone since Edward Levi.
At the very least everyone in the last 15-20 years.
[The only way for a domestic official in this administration not to be powerless is to be a partisan hack, using the authority of office for political rather than good-policy or principled ends. Randy will never be a partisan hack. QED.]
I can just see that: "Kennedy is up there giving a speech again instead of asking me questions. Can't he just shut up so I can get a word in?"
"Oh, great. Now Biden's talking. I know you're a constitutional law professor and the smartest guy in the room. Do you have to try to prove it to me every time you talk?"
Even as a liberal, I think Orin Hatch could make a very good AG. His handling of the Manuel Miranda scandal shows that he understands that he understands the difference between things people can do and things ethical people should do.
When Miranda tried to justify rummaging through Democratic files by saying they were not secured, Hatch would have none of it. You don't have the right to go through someone's files just because they didn't lock the file cabinet.