It strikes me that in the last 48 hours the notion of a commander-in-chief test has gained new rel­e­vance. May I sug­gest this one?

…is, they’ve been telling us since March 4, how the race for the Demo­c­ra­tic nom­i­na­tion was going to end. And sure enough, the whim­per­ing has begun in earnest. How do we know? Ben Smith at Politico is going on vacation.

If that doesn’t con­vince you, con­sider how quickly Adam Nagourney’s arti­cle in yesterday’s New York Times has become the cor­ner­stone of the new con­ven­tional wisdom about the race.