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     A primer on the science and politics of religious denial by religionists 
	
  In a twist of irony, pro-life advocates and assorted opponents of embryo
    research have discovered the benefits of embracing science and avoiding
      religion in
    the public square. When the South
      Dakota legislature voted to ban abortion, they appealed to "scientific
      studies" and "scientific
    advances" since Roe v. Wade to conclude that "each human being is
    totally unique immediately at fertilization." Among the architects of this
    new strategy is Robert P. George, a right-wing Catholic and professor of politics
    at Princeton, who thinks it's immoral for a husband and wife to engage in
    sex for pleasure alone, and who pledged (according
    to The Nation's Max Blumenthal) to continue "respecting the rights
    of conscience of my fellow citizens who believe that the killing
    of abortionists    is sometimes a tragic necessity--not a good, but a lesser evil."   
	Remarkably, George claims that his Catholicism has nothing
  to do with his views of human life. Instead, he's written repeatedly that, 
"the
scientific evidence establishes the fact that each of us was, from conception,
a human being. Science, not religion, vindicates this crucial premise of the
pro-life claim." What scientific evidence is he talking about?  Eric Cohen,
editor of The
    New Atlantis  explains in his article, The
    Embryo Question II: The Tragedy of Equality:
"If we trace an individual life backwards biologically�from adulthood to
adolescence to infancy to birth to the fetal stage to the embryonic stage�there
is only one bright line that separates being from non-being: fertilization."
  In other words, since all scientists agree that embryonic development is
    continuous, any sharp line that anyone attempts to draw -- after fertilization
    -- between non-human beingness and human beingness is arbitrary. 				
 
	In fact, I think the logic of this argument is quite robust.  				
 The problem lies entirely in the critical assumption (usually
  left unstated) underlying the argument. As George
  explains it: being
      a whole human organism (whether immature or not) is an either/or matter�a
      thing either is or is not a whole human being." But since Darwin, biologists
      have known this assumption is false -- there is no sharp line between non-humans
      and human beings during evolution, and there need not be one during development
      from an embryo to a baby.� Although the counter-argument {human beings were created instantaneously
      as a species, and they are conceived instantaneously, one-by-one} has Greek origins, it becomes
      entirely religious in the light of modern scientific understanding.  		
	An acid test for religious proclivities -- which may exist covertly or
                subconsciously -- needs to avoid direct engagement with issues of religious contention
                like evolution and embryonic development. The test should instead be a thought-experiment
                about fully mature potential-human beings that scientists could actually bring to life
                based on current knowledge and technology. Here it is:  
	        Imagine that human and chimp cells isolated from early embryos are brought
	            together to create a mixed-species chimeric embryo. If the embryo is allowed to develop
	            to term, a healthy partial-chimp/partial-human child could be born with any proportion of
	            chimp and human cells (from 1% to 99%) in each tissue and organ. The question I posed to
	            Francis Fukuyama is whether he thought every one of these individuals could be definitively
	            classified either as a human being or as a non-human being; the alternative idea is that
	            no sharp line exists anywhere along a continuum from chimp to human (and, by inference,
	            between embryo and child), even though the extremes clearly fall into two different categories. 
	        Fukuyama's response was that each adult chimera had to be a human being
	            or a non-human being because there was no such thing as a partial human adult. This answer
	            reveals the Judeo-Christian intuition (conscious or subconscious) at the core of a person's
	            belief system; it is fundamentally in opposition to post-Darwinian scientific understanding.
	            But it's not just themselves that some neocons are fooling; it's independent supporters
	            of biomedical research, like Brian Alexander, who think it's mostly just politics. 
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