Nitypick, those remarks were made on April 25th, not today, in a Congressional hearing.
Sessions dances around Cohen, Rosenstein questions - CNNPolitics
"If the President were to improperly fire either the deputy attorney general, who supervises the Russia investigation, or the special counsel, would you resign in opposition?" Leahy asked."Sen. Leahy, that calls for a speculative answer, your question calls for speculation, I'm just not able to do that," Sessions responded.
I do love AG Sessions. :)