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"Huh? Populations don't go into "catastrophic error-catastrophe" (whatever that is). That violates the principle of natural selection -- more fit individuals will survive, which means that there is constant evolutionary pressure towards greater fitness, not less."

Catastrophic error catastrophe is when a population has too many mutations to clear them via natural selection.

RNA viruses are suspected of being in catastrophic error catastrophe and humans are very close.

"RNA viruses which replicate close to the error threshold have a genome size of order 104 base pairs. Human DNA is about 3.3 billion (109) base units long. This means that the replication mechanism for DNA must be orders of magnitude more accurate than for RNA."

http://en.wikipedia.org/wiki/Error_catastrophe

"Error catastrophe is when genetic errors accumulate in a population faster than they can be rid of. Using data supplied by evolutionists themselves, and their own standard model of evolutionary genetics, one can show that humans are within or precariously close to error catastrophe — even if we give the evolutionary model the incredible advantage of assuming that a full 97% of the human genome is completely inert and unavailable to suffer harmful mutation."

http://www1.minn.net/~science/contents_detail.htm

One of those cases of reality intruding on theory.