California Developer William Wilson, a member of President Reagan's kitchen cabinet, had served as Reagan's unpaid envoy to the Vatican since 1981. So he was an obvious choice for ambassador when the U.S. established diplomatic relations with the Holy See last March. His meddling in complex investigations, however, has been somewhat less than diplomatic.
The ambassador is a personal friend of Archbishop Paul Marcinkus, the Vatican banker who was being investigated by Italian authorities in 1982 for his role in the $1.3 billion collapse of Italy's Banco Ambrosiano. Wilson wrote a letter to his friend, Attorney...