VATICAN CITY -- Proponents of euthanasia and aborting chronically ill fetuses use the same arguments that were once used by the Nazis to promote their eugenics program of mass extermination, according to the Vatican's semiofficial newspaper.

The article appears on the front page of Saturday's issue of L'Osservatore Romano and is signed by Lucetta Scaraffia, an Italian historian who is a frequent contributor to the Vatican paper.

Scaraffia's article comes in the wake of the Italian translation of a 1920 book by two German scholars, Karl Binding and Alfred Hoche, that set the ideological foundations for the Nazi program of extermination of disabled and incurably sick people....