Of course he hasn’t been asked. Someone doesn’t want the job done. Period. After this amount of time there’s simply no other explanation.
I can just imagine a big meeting of potential czars at the white house. “O” says he needs an oil clean up czar. The fingers go up to the nose in a milisecond. There is one guy who was up getting coffee who did not have time to drop his cup.
Nose goes...
Voila. Your new Clean up czar. The guy who wasnt smart enough to get out of it.