No, the whole point of the invented macro-evolution is that changes cannot accumulate far enough that the new popuation has lost its ability to interbreed with the ancestral one.
Well, I hardly think macro-evolution is "invented", since we see evidence for it all around us, every day.
48 posted on 12/11/2007 9:44:58 AM PST by Titus Quinctius Cincinnatus
(Conservatives - Freedom WITH responsibility; Libertarians - Freedom FROM responsibility)