During an April week when many bank card executives were hunkering down, trying to figure out ways to stem delinquencies, Collin McKenny was standing before a group of novices, teaching Bank Cards 101.

With an overhead projector and a pile of numbers, the Star Banc Corp. executive quickly got the students up to speed on the financial dynamics of the business. It is the kind of educational setting - the audience could just as well have been customers, reporters, or industry peers - where Ms. McKenny is most at ease.

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