Earlier this week, Rahm Emanuel reported on his first 100 days as mayor of Chicago. By his own objective assessment, he has exceeded exceeding expectations, and then some.

Emanuel seems to have an insatiable need to measure. He was born with a silver ruler in his hand. He doesn’t believe in measuring twice and cutting once—more like measuring a half dozen times, cutting once, then measuring another dozen times, with triumphant proclamations of each result.