There are many theories as to why Worthen Banking Corp. chairman, president, and chief executive Curt Bradbury decided to sell the bank to St. Louis-based Boatmen's Bancshares.

Some speculate that he grew weary of running Arkansas' largest bank after engineering a remarkable turnaround in the late 1980s. Others say he was frustrated by a seemingly endless investigation by the Federal Reserve Bank of St. Louis into links with the billionaire Stephens family, which owns one-fourth of Worthen.

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