A bird outside our window has been trying to get in—for months. I understand that birds accidentally fly into windows. But this one sits on a bush outside the window and looks in. He knows the glass is there. And that it’s hard. But still he flies up and bangs into it, falls back to the bush, flies up to bang the glass again, falls back, and then bashes his beak again. Over and over. For months. Is the bird stupid? Maybe psychotic, a psychotic bird in need of therapy. Or perhaps the bird has a great vision of a…