Today’s ra-ra, go-team, this-is-getting-a-lot-of-coverage-because-it’s-a-nice-safe-story-we-can-all-agree-on item (I hesitate to call it “news”) is the arrival of the first Airbus A380 test aircraft on U.S. soil. But here’s my question: if they had to “upgrade” JFK and LAX to accept these oversized craft, where the hell are you going to divert to when weather shuts down JFK or you run low on fuel waiting in the landing lineup for LAX?