Assuming macroevolutionary scenarios were possible (they aren't), the question arises, how much time would you actually need for them? The basic answer to that question is known as the Haldane Dilemma, after the famous mathematician and population geneticist J.B.S. Haldane who published his work in the mid 1950s. The basic answer is that you would need trillions and quadrillions of years, and not just the tens of millions commonly supposed. Walter Remine puts a simplified version of the idea thusly: Imagine a population of 100,000 apes or “proto-humans” ten million years ago which are all genetically alike other than for...