By Judie Brown In his book On Suicide, British philosopher David Hume argued, “We’re no more valuable than oysters, and because of that, then killing a human being is not all that big [of] a deal, really.” Hume wrote those words more than 200 years ago, but this attitude toward the unique value of a human being has not changed much over the ensuing years. In fact, one might say it has worsened....