If evolution almost always occurs by rapid speciation in small, peripheral isolates, then what should the fossil record look like? We are not likely to detect the event of speciation itself. It happens too fast, in too small a group, isolated too far from the ancestral range.
Reader: Dear Mr. Snicket, What is the best way to keep a secret? Lemony Snicket : Tell it to everyone you know, but pretend you are kidding.