In fairness, he wasn't pressed very hard by the Senators, who apparently find precise questions, unlike imprecise speeches, an unnecessary act of self-abnegation.
Summers doesn't strike me as a Fed material (too much discretion and self-abnegation required).
The impulse to escape, to vanish: Imagine what paroxysms of weariness and twitchingly muscle-bound identity must overcome a man when eight years of self-abnegation as vice .