If Faith Whittlesey's telephone could talk. A congressional subcommittee wondered this week why Lt. Col. Oliver North was on the line about the same time Swiss banks were being used to launder Iran-contra money. Not to worry, said Ambassador Whittlesey, the U.S. envoy to Switzerland, who has been in Washington being grilled about how she raised private funds for the embassy. The calls were "purely personal."
But it was another call - this one from Bern - that raised other concerns. Ambassador Whittlesey said, yes, she phoned an influential Cuban-American supporter in Miami before flying home. Purpose: to ask that he set up an appointment with Rep. Daniel A. Mica (D., Fla.), chairman of the subcommittee looking into her conduct. No appointment was ever set, but Mr. Mica soon found


