A quite orthodox monsignor in New York offers some historical background to the brand-spanking new Catholic teaching that, in rabbinical fashion*, effectively outlaws capital punishment. It is clear, if you know how traditional Catholics argue, that he does not buy it, but he can't and won't say that in public. His interesting article is an orthodox way of sayin' "Just sayin'."
*The rabbis found ways to nullify certain Mosaic laws while appearing to accept them, by loading them up with so many conditions that they never get enacted. The most famous is the divine command in Deuteronomy which calls for the public stoning of a rebellious teenager.