Reaction to fetal pain article

A thoughtful, informed response to the JAMA article about fetal pain is posted at OpinionJournal. Scroll down to Comfortably Numb? to see it. The JAMA article concluded that first and second trimester fetuses probably don't feel pain. But according to the OpinionJournal authors,

It would be a mistake... to assume that because a fetus does not have the same cerebral capacity as an adult, he has no capacity to feel pain.

We just don't know.