Last night, a Delta flight approaching La Guardia was the victim of a vicious kamikaze bird attack that left blood, feathers, and a surprisingly large dent in the nose of the plane (which landed safely). Not at all coincidentally, it was announced the day before that Captain Chesley “Sully” Sullenberger, hero pilot of the Miracle on the Hudson and the sworn enemy of birds everywhere, would be returning to the cockpit as some kind of safety adviser for US Airways, which seems pretty appropriate. Clearly then, this collision, with its unavoidably gruesome results, was a symbolic act of muscle-flexing. Just as Iran or North Korea test missiles when they feel threatened, the birds meant this as a message and a warning: We are not afraid. We can strike at will. And your precious Sully cannot protect you.