This week on WireTap, flying cows that leak milk from the sky, and a hippopotamus that hangs upside down like a sloth: it's Heather O'Neill's retelling of the H.G. Wells classic, The Island of Dr. Moreau. Plus, Jonathan's weekend alone in the woods turns out to be less like Weldon Pond, and more like the Blair Witch Project. That's WireTap, with Jonathan Goldstein, Sunday afternoon at